Roll external/googletest/ 0570e2d93..b73f27fd1 (1 commit)

https://github.com/google/googletest/compare/0570e2d930a1...b73f27fd1644

$ git log 0570e2d93..b73f27fd1 --date=short --no-merges --format='%ad %ae %s'
2023-02-08 tomhughes Fix _MSC_VER check

Created with:
  roll-dep external/googletest
diff --git a/DEPS b/DEPS
index a23c83b..4685dd7 100644
--- a/DEPS
+++ b/DEPS
@@ -5,7 +5,7 @@
 
   'effcee_revision': 'c7b4db79f340f7a9981e8a484f6d5785e24242d1',
 
-  'googletest_revision': '0570e2d930a185bbc375be70d9ad96836b955a4f',
+  'googletest_revision': 'b73f27fd164456fea9aba56163f5511355a03272',
 
   # Use protobufs before they gained the dependency on abseil
   'protobuf_revision': 'v3.13.0.1',