I18n: Add milestone automatically to Crowdin PRs (#84253)

* refactor: add milestone automatically

* refactor: remove step for extracting pr number

* refactor: milestone step

.github/workflows/i18n-crowdin-download.yml

@@ -113,3 +113,10 @@ jobs:
 
         env:
           GITHUB_TOKEN: ${{ steps.generate_token.outputs.token }}
+
+      - name: Run auto-milestone
+        uses: grafana/grafana-github-actions-go/auto-milestone@main
+        if: steps.crowdin-download.outputs.pull_request_url
+        with:
+          pr: ${{ steps.crowdin-download.outputs.pull_request_number }}
+          token: ${{ secrets.GITHUB_TOKEN }}