ci: only run autolabeler on PRs, draft-release on main

.github/workflows/autolabel.yaml

@@ -0,0 +1,16 @@
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+jobs:
+  autolabel:
+    name: Autolabel PR
+    runs-on: ubuntu-latest
+    steps:
+      - name: Draft release
+        id: drafter
+        uses: release-drafter/release-drafter@v6
+        with:
+          disable-releaser: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/draft-release.yml

@@ -4,9 +4,6 @@ on:
   push:
     branches:
       - main
-      # pull_request event is required only for autolabeler
-  pull_request:
-    types: [opened, reopened, synchronize]
 
 permissions:
   contents: write
@@ -24,6 +21,8 @@ jobs:
       - name: Draft release
         id: drafter
         uses: release-drafter/release-drafter@v6
+        with:
+          disable-autolabeler: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}