Upgrade postcss and autoprefixer, change browser support for autopref…

…ixer

.browserslistrc

@@ -1,3 +1,4 @@
-last 4 versions
+last 2 versions
 > 1%
+IE 11
 not dead

package.json

@@ -24,7 +24,7 @@
     "@babel/register": "^7.12.1",
     "ansi-colors": "^4.1.1",
     "assets": "^3.0.1",
-    "autoprefixer": "^9.8.6",
+    "autoprefixer": "^10.0.1",
     "babel-loader": "^8.1.0",
     "babel-plugin-module-resolver": "^4.0.0",
     "cross-env": "^7.0.2",
@@ -39,7 +39,7 @@
     "gulp-minify-inline-scripts": "^0.0.6",
     "gulp-nunjucks-api": "^0.9.1",
     "gulp-plumber": "^1.2.1",
-    "gulp-postcss": "^8.0.0",
+    "gulp-postcss": "^9.0.0",
     "gulp-rename": "^2.0.0",
     "gulp-replace": "^1.0.0",
     "gulp-rimraf": "^1.0.0",
@@ -53,6 +53,7 @@
     "json-loader": "^0.5.7",
     "md5-file": "^4.0.0",
     "node-notifier": "^8.0.0",
+    "postcss": "^8.1.4",
     "postcss-assets": "^5.0.0",
     "postcss-sprites": "^4.2.1",
     "raw-loader": "^4.0.0",

yarn.lock

@@ -1772,6 +1772,18 @@ atob@^2.1.1, atob@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
 
+autoprefixer@^10.0.1:
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.0.1.tgz#e2d9000f84ebd98d77b7bc16f8adb2ff1f7bb946"
+  integrity sha512-aQo2BDIsoOdemXUAOBpFv4ZQa2DrOtEufarYhtFsK1088Ca0TUwu/aQWf0M3mrILXZ3mTIVn1lR3hPW8acacsw==
+  dependencies:
+    browserslist "^4.14.5"
+    caniuse-lite "^1.0.30001137"
+    colorette "^1.2.1"
+    normalize-range "^0.1.2"
+    num2fraction "^1.2.2"
+    postcss-value-parser "^4.1.0"
+
 autoprefixer@^9.8.6:
   version "9.8.6"
   resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.8.6.tgz#3b73594ca1bf9266320c5acf1588d74dea74210f"
@@ -2304,6 +2316,11 @@ caniuse-lite@^1.0.30001109, caniuse-lite@^1.0.30001135:
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001144.tgz#bca0fffde12f97e1127a351fec3bfc1971aa3b3d"
   integrity sha512-4GQTEWNMnVZVOFG3BK0xvGeaDAtiPAbG2N8yuMXuXzx/c2Vd4XoMPO8+E918zeXn5IF0FRVtGShBfkfQea2wHQ==
 
+caniuse-lite@^1.0.30001137:
+  version "1.0.30001154"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001154.tgz#f3bbc245ce55e4c1cd20fa731b097880181a7f17"
+  integrity sha512-y9DvdSti8NnYB9Be92ddMZQrcOe04kcQtcxtBx4NkB04+qZ+JUWotnXBJTmxlKudhxNTQ3RRknMwNU2YQl/Org==
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -5048,15 +5065,14 @@ gulp-plumber@^1.2.1:
     plugin-error "^0.1.2"
     through2 "^2.0.3"
 
-gulp-postcss@^8.0.0:
-  version "8.0.0"
-  resolved "https://registry.yarnpkg.com/gulp-postcss/-/gulp-postcss-8.0.0.tgz#8d3772cd4d27bca55ec8cb4c8e576e3bde4dc550"
-  integrity sha512-Wtl6vH7a+8IS/fU5W9IbOpcaLqKxd5L1DUOzaPmlnCbX1CrG0aWdwVnC3Spn8th0m8D59YbysV5zPUe1n/GJYg==
+gulp-postcss@^9.0.0:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/gulp-postcss/-/gulp-postcss-9.0.0.tgz#2ade18809ab475dae743a88bd6501af0b04ee54e"
+  integrity sha512-5mSQ9CK8salSagrXgrVyILfEMy6I5rUGPRiR9rVjgJV9m/rwdZYUhekMr+XxDlApfc5ZdEJ8gXNZrU/TsgT5dQ==
   dependencies:
-    fancy-log "^1.3.2"
+    fancy-log "^1.3.3"
     plugin-error "^1.0.1"
-    postcss "^7.0.2"
-    postcss-load-config "^2.0.0"
+    postcss-load-config "^2.1.1"
     vinyl-sourcemaps-apply "^0.2.1"
 
 gulp-rename@^2.0.0:
@@ -6039,7 +6055,7 @@ [email protected]:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
 
-[email protected], isarray@~1.0.0:
+[email protected], isarray@^1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
 
@@ -6348,6 +6364,14 @@ limiter@^1.0.5:
   resolved "https://registry.yarnpkg.com/limiter/-/limiter-1.1.5.tgz#8f92a25b3b16c6131293a0cc834b4a838a2aa7c2"
   integrity sha512-FWWMIEOxz3GwUI4Ts/IvgVy6LPvoMPgjMdQ185nN6psJyBJ4yOpzqm695/h5umdLJg2vW3GR5iG11MAkR2AzJA==
 
+line-column@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/line-column/-/line-column-1.0.2.tgz#d25af2936b6f4849172b312e4792d1d987bc34a2"
+  integrity sha1-0lryk2tvSEkXKzEuR5LR2Ye8NKI=
+  dependencies:
+    isarray "^1.0.0"
+    isobject "^2.0.0"
+
 lines-and-columns@^1.1.6:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/lines-and-columns/-/lines-and-columns-1.1.6.tgz#1c00c743b433cd0a4e80758f7b64a57440d9ff00"
@@ -7144,6 +7168,11 @@ nan@^2.12.1, nan@^2.13.2:
   version "2.14.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
 
+nanoid@^3.1.15:
+  version "3.1.16"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.16.tgz#b21f0a7d031196faf75314d7c65d36352beeef64"
+  integrity sha512-+AK8MN0WHji40lj8AEuwLOvLSbWYApQpre/aFJZD71r43wVRLrOYS4FmJOPQYon1TqB462RzrrxlfA74XRES8w==
+
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -8162,9 +8191,10 @@ postcss-less@^3.1.4:
   dependencies:
     postcss "^7.0.14"
 
-postcss-load-config@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-load-config/-/postcss-load-config-2.1.0.tgz#c84d692b7bb7b41ddced94ee62e8ab31b417b003"
+postcss-load-config@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/postcss-load-config/-/postcss-load-config-2.1.2.tgz#c5ea504f2c4aef33c7359a34de3573772ad7502a"
+  integrity sha512-/rDeGV6vMUo3mwJZmeHfEDvwnTKKqQ0S7OHUi/kJvvtx3aWtyWG2/0ZWnzCt2keEclwN6Tf0DST2v9kITdOKYw==
   dependencies:
     cosmiconfig "^5.0.0"
     import-cwd "^2.0.0"
@@ -8272,6 +8302,16 @@ postcss@^7.0.2:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
+postcss@^8.1.4:
+  version "8.1.4"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.1.4.tgz#356dfef367a70f3d04347f74560c85846e20e4c1"
+  integrity sha512-LfqcwgMq9LOd8pX7K2+r2HPitlIGC5p6PoZhVELlqhh2YGDVcXKpkCseqan73Hrdik6nBd2OvoDPUaP/oMj9hQ==
+  dependencies:
+    colorette "^1.2.1"
+    line-column "^1.0.2"
+    nanoid "^3.1.15"
+    source-map "^0.6.1"
+
 prelude-ls@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"