Roll external/re2/ 928a015e6..601d9ea3e (1 commit) (#5448)

google/re2@928a015...601d9ea

$ git log 928a015e6..601d9ea3e --date=short --no-merges --format='%ad %ae %s'
2023-10-20 junyer Set `SOURCE_DATE_EPOCH` for reproducible builds.

Created with:
  roll-dep external/re2

Co-authored-by: GitHub Actions[bot] <>

DEPS

@@ -12,7 +12,7 @@ vars = {
   # Use protobufs before they gained the dependency on abseil
   'protobuf_revision': 'v21.12',
 
-  're2_revision': '928a015e6ecc02519abb5d4a8732099545c48346',
+  're2_revision': '601d9ea3e6a768cb666e71012f0baf812a2d48da',
   'spirv_headers_revision': '88bc5e321c2839707df8b1ab534e243e00744177',
 }