GHActions: move new 'opened' action to separate workflow (#63228)

* add new scenario to config

* make workflow run on opened issues

* revert-dont run on opened

* action for newly opened issues

* move new action config

* remove opened from commands

* change name

* Update .github/workflows/issue-opened.yml

ty!

Co-authored-by: Timur Olzhabayev <timur.olzhabayev@grafana.com>

* make comment clearer

---------

Co-authored-by: Timur Olzhabayev <timur.olzhabayev@grafana.com>

.github/workflows/issue-opened.yml

@@ -0,0 +1,28 @@
+name: Run commands when issues are opened
+on:
+  issues:
+    types: [opened]
+concurrency:
+  group: issue-opened-${{ github.event.issue.number }}
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Actions
+        uses: actions/checkout@v3
+        with:
+          repository: "grafana/grafana-github-actions"
+          path: ./actions
+          ref: main
+      - name: Install Actions
+        run: npm install --production --prefix ./actions
+      # give issue-openers a chance to add labels after submit
+      - name: Sleep for 2 minutes
+        run: sleep 2m
+        shell: bash
+      - name: Run Commands
+        uses: ./actions/commands
+        with:
+          metricsWriteAPIKey: ${{secrets.GRAFANA_MISC_STATS_API_KEY}}
+          token: ${{secrets.ISSUE_COMMANDS_TOKEN}}
+          configPath: "issue-opened"