chore: fix docs PR label removing team label (#7308)

* chore: fix docs PR labeler to only run with PR is opened

* add team labeler action

* move docs labeler to team labeler

.github/workflows/docs-pr-label.yml

@@ -1,13 +0,0 @@
-name: "Add Docs PR Label"
-on:
-  pull_request:
-
-jobs:
-  labeler:
-    permissions:
-      contents: read
-      pull-requests: write
-    runs-on: ubuntu-latest
-    steps:
-    - id: label-the-PR
-      uses: actions/labeler@v5

.github/workflows/team-labeler.yml

@@ -9,6 +9,8 @@ jobs:
   team-labeler:
     runs-on: ubuntu-latest
     steps:
+    - id: label-the-PR
+      uses: actions/labeler@v5
     - uses: JulienKode/team-labeler-action@v1.1.0
       with:
         repo-token: "${{ secrets.GITHUB_TOKEN }}"