chore: update milestone check (#10346)

Signed-off-by: ShutingZhao <shuting@nirmata.com>

.github/workflows/check-milestone-label.yaml

@@ -0,0 +1,32 @@
+name: check-milestone-label
+
+permissions: {}
+
+on:
+  pull_request:
+    branches:
+      - 'main'
+    types:
+      - opened
+      - synchronize
+      - edited
+      - reopened
+      - labeled
+      - unlabeled
+  
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  check_labels:
+    name: Check milestone label for pull request
+    runs-on: ubuntu-latest
+    if: ${{ github.actor != 'dependabot[bot]' }}  # dependabot prs do not have to be in milestone
+    steps:
+      - name: require milestone label for pull request
+        uses: docker://agilepathway/pull-request-label-checker:latest
+        with:
+          prefix_mode: true
+          one_of: "milestone"
+          repo_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/check-milestone.yaml

@@ -1,39 +0,0 @@
-# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
-
-name: check-milestone
-
-permissions: {}
-
-on:
-  pull_request:
-    branches:
-      - 'main'
-    types:
-      - opened
-      - demilestoned
-      - milestoned
-      - edited
-      - synchronize
-  
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  check-milestone:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check milestone
-        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
-        with:
-          script: |
-            const { data } = await github.request("GET /repos/{owner}/{repo}/pulls/{pr}", {
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              pr: context.payload.pull_request.number
-            });
-            if (data.milestone) {
-              core.info(`This pull request has a milestone set: ${data.milestone.title}`);
-            } else {
-              core.setFailed(`A milestone need to be set on this pull request.`);
-            }