Automation: Adds GitHub release action (#29194)

* Automation: Adds GitHub release action

* Updated wording

* minor update

.github/workflows/github-release.yml

@@ -0,0 +1,24 @@
+name: Create or update GitHub release
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        required: true        
+        description: Needs to match, exactly, the name of a milestone (NO v prefix)
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Actions
+        uses: actions/checkout@v2
+        with:
+          repository: "grafana/grafana-github-actions"
+          path: ./actions
+          ref: main    
+      - name: Install Actions
+        run: npm install --production --prefix ./actions
+      - name: Run github release action
+        uses: ./actions/github-release
+        with:
+          token: ${{secrets.GH_BOT_ACCESS_TOKEN}}
+          metricsWriteAPIKey: ${{secrets.GRAFANA_MISC_STATS_API_KEY}}

.github/workflows/update-changelog.yml

@@ -15,9 +15,6 @@ jobs:
           repository: "grafana/grafana-github-actions"
           path: ./actions
           ref: main      
-      - uses: actions/setup-node@v1
-        with:
-          node-version: '12'
       - name: Install Actions
         run: npm install --production --prefix ./actions
       - name: Run update changelog