Chore: Use auto-triager github action directly and pass labels and prompts files (#98602)

* Add auto triager files and use them in the auto-triager github action

* add auto-triager file to codeowners

.github/CODEOWNERS

@@ -746,6 +746,7 @@ embed.go @grafana/grafana-as-code
 /.github/pr-checks.json @tolzhabayev
 /.github/pr-commands.json @tolzhabayev
 /.github/renovate.json5 @grafana/frontend-ops
+/.github/workflows/auto-triager/ @grafana/plugins-platform-frontend
 /.github/workflows/alerting-swagger-gen.yml @grafana/alerting-backend
 /.github/workflows/auto-milestone.yml @grafana/grafana-developer-enablement-squad
 /.github/workflows/backport.yml @grafana/grafana-developer-enablement-squad