Roll external/re2/ 35bb195de..b673de358 (2 commits) (#5433)

google/re2@35bb195...b673de3

$ git log 35bb195de..b673de358 --date=short --no-merges --format='%ad %ae %s'
2023-10-06 junyer Clean up some fuzzer-related cruft.
2023-10-05 allenwebb Use a variable for `PKG_CONFIG` for distros that cross-compile.

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': '35bb195dec329ab061472b19b0f4cb68ab3dde0a',
+  're2_revision': 'b673de35837aad63146957b9c305dbdbd82ce6b7',
   'spirv_headers_revision': 'e867c06631767a2d96424cbec530f9ee5e78180f',
 }