Upgraded rule_cc to 0.0.12

bazel/grpc_deps.bzl

@@ -98,11 +98,11 @@ def grpc_deps():
     if "rules_cc" not in native.existing_rules():
         http_archive(
             name = "rules_cc",
-            sha256 = "2037875b9a4456dce4a79d112a8ae885bbc4aad968e6587dca6e64f3a0900cdf",
-            strip_prefix = "rules_cc-0.0.9",
+            sha256 = "b26168b9a13f094794982b832975eaf53cefc5dced5b3be7df6b8b794dc2744b",
+            strip_prefix = "rules_cc-0.0.12",
             urls = [
-                "https://storage.googleapis.com/grpc-bazel-mirror/github.com/bazelbuild/rules_cc/releases/download/0.0.9/rules_cc-0.0.9.tar.gz",
-                "https://github.com/bazelbuild/rules_cc/releases/download/0.0.9/rules_cc-0.0.9.tar.gz",
+                "https://storage.googleapis.com/grpc-bazel-mirror/github.com/bazelbuild/rules_cc/releases/download/0.0.12/rules_cc-0.0.12.tar.gz",
+                "https://github.com/bazelbuild/rules_cc/releases/download/0.0.12/rules_cc-0.0.12.tar.gz",
             ],
         )