chore(deps): update dependency com_google_protobuf to v3.21.3 (#2805)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

WORKSPACE

@@ -6,9 +6,9 @@ load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
 # Define before rules_proto, otherwise we receive the version of com_google_protobuf from there
 http_archive(
     name = "com_google_protobuf",
-    sha256 = "66e1156ac78290db81335c79d1fc5a54123ebb62a43eb2e5b42a44ca23087517",
-    strip_prefix = "protobuf-3.21.2",
-    urls = ["https://github.com/protocolbuffers/protobuf/archive/v3.21.2.tar.gz"],
+    sha256 = "c29d8b4b79389463c546f98b15aa4391d4ed7ec459340c47bffe15db63eb9126",
+    strip_prefix = "protobuf-3.21.3",
+    urls = ["https://github.com/protocolbuffers/protobuf/archive/v3.21.3.tar.gz"],
 )
 
 http_archive(