Bump protobuf to 3.14 via rules_proto for bazel plugin

Issue #2265 described a bug which broke the plugin due to an already fixed protobuf issue protocolbuffers/protobuf#7827 the issue author created a fork in https://github.com/hedronvision/bazelbuild-intellij.

PiperOrigin-RevId: 363130962

WORKSPACE

@@ -373,11 +373,11 @@ bazel_external_dependency_archive(
 # LICENSE: The Apache Software License, Version 2.0
 http_archive(
     name = "rules_proto",
-    sha256 = "4d421d51f9ecfe9bf96ab23b55c6f2b809cbaf0eea24952683e397decfbd0dd0",
-    strip_prefix = "rules_proto-f6b8d89b90a7956f6782a4a3609b2f0eee3ce965",
+    sha256 = "aa1ee19226f707d44bee44c720915199c20c84a23318bb0597ed4e5c873ccbd5",
+    strip_prefix = "rules_proto-40298556293ae502c66579620a7ce867d5f57311",
     urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/f6b8d89b90a7956f6782a4a3609b2f0eee3ce965.tar.gz",
-        "https://github.com/bazelbuild/rules_proto/archive/f6b8d89b90a7956f6782a4a3609b2f0eee3ce965.tar.gz",
+    "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/40298556293ae502c66579620a7ce867d5f57311.tar.gz",
+    "https://github.com/bazelbuild/rules_proto/archive/40298556293ae502c66579620a7ce867d5f57311.tar.gz",
     ],
 )