Ignore plugin check warnings for now

Author: dkotter

.github/workflows/plugin-check.yml

@@ -37,3 +37,4 @@ jobs:
           build-dir: ${{ github.event.repository.name }}
           exclude-checks: 'plugin_readme,plugin_updater' # Plugin isn't on .org so excluding these for now.
           exclude-directories: 'assets,dist,vendor'
+          ignore-warnings: true