Make incompatible flags optional

Author: calebzulawski

.github/workflows/bazel_impl.yml

@@ -34,7 +34,7 @@ jobs:
           repository-cache: false
           bazelrc: |
             startup --windows_enable_symlinks
-            build --announce_rc --platforms=@portable_cc_toolchain//platform:${{ inputs.target }}
+            build --config=incompatible --announce_rc --platforms=@portable_cc_toolchain//platform:${{ inputs.target }}
       - name: Download built toolchain
         uses: actions/download-artifact@v4
         if: ${{ inputs.use-built-toolchain }}

bazel/.bazelrc

@@ -1,5 +1,5 @@
 # https://github.com/bazelbuild/bazel-central-registry/blob/main/incompatible_flags.yml
-build \
+build:incompatible \ 
   --incompatible_config_setting_private_default_visibility \
   --incompatible_disable_starlark_host_transitions \
   --incompatible_disable_native_repo_rules \