Bump postcss from 8.4.47 to 8.4.49

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.47 to 8.4.49.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.47...8.4.49)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -36,7 +36,7 @@
     "jquery": "^3.7.1",
     "normalize.css": "^8.0.0",
     "popper.js": "^1.16.1",
-    "postcss": "^8.4.47",
+    "postcss": "^8.4.49",
     "preact": "^10.25.1",
     "rollup": "^4.28.0",
     "sass": "^1.81.0",

yarn.lock

@@ -6338,7 +6338,7 @@ __metadata:
     mocha: ^11.0.1
     normalize.css: ^8.0.0
     popper.js: ^1.16.1
-    postcss: ^8.4.47
+    postcss: ^8.4.49
     preact: ^10.25.1
     prettier: ^3.4.1
     rollup: ^4.28.0
@@ -9130,6 +9130,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"postcss@npm:^8.4.49":
+  version: 8.4.49
+  resolution: "postcss@npm:8.4.49"
+  dependencies:
+    nanoid: ^3.3.7
+    picocolors: ^1.1.1
+    source-map-js: ^1.2.1
+  checksum: eb5d6cbdca24f50399aafa5d2bea489e4caee4c563ea1edd5a2485bc5f84e9ceef3febf170272bc83a99c31d23a316ad179213e853f34c2a7a8ffa534559d63a
+  languageName: node
+  linkType: hard
+
 "preact@npm:^10.18.1":
   version: 10.23.1
   resolution: "preact@npm:10.23.1"