[bazel] SQUASH ME: default toolchain features

Guards was disabled and Werror is apparently enabled.

Signed-off-by: James Wainwright <[email protected]>

Author: jwnrt

toolchain/BUILD

@@ -49,7 +49,7 @@ cc_toolchain(
     enabled_features = [
         "@rules_cc//cc/toolchains/args:experimental_replace_legacy_action_config_features",
         ":feat_rv32_bitmanip",
-        ":feat_guards",
+        ":feat_warnings_as_errors",
     ],
     known_features = [
         "@rules_cc//cc/toolchains/args:experimental_replace_legacy_action_config_features",