Update add_to_project.yml

.github/workflows/add_to_project.yml

-name: Add all issues to F# project
+name: Add all issues to F# project, assign milestone and labels
 
 on:
   issues:
@@ -25,7 +25,7 @@ jobs:
           gh api -X GET "$_UrlPath/$_CurrentWorkflowID/runs" --paginate \
             | jq '.workflow_runs[] | select(.status == "completed") | .id' \
             | xargs -I{} gh api -X DELETE "/repos/$GITHUB_REPOSITORY/actions/runs"/{}
-  add-to-project:
+  add_to_project:
     name: Add issue to project
     runs-on: ubuntu-latest
     permissions:
@@ -36,13 +36,27 @@ jobs:
         with:
           project-url: https://github.com/orgs/dotnet/projects/126/
           github-token: ${{ secrets.REPO_PROJECT_PAT }}
-  label_issues:
-      runs-on: ubuntu-latest
-      permissions:
-        issues: write
-      steps:
-        - name: Label issues
-          uses: actions/labeler@v4.0.2
-          with:
-            add-labels: "Needs-Triage"
-            repo-token: ${{ secrets.GITHUB_TOKEN }}
+  apply-label:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v6
+        with:
+          script: |
+            github.rest.issues.addLabels({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              labels: ['Needs-Triage']
+            })
+  apply-milestone:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v6
+        with:
+          script: |
+            github.rest.issues.update({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              milestone: 29
+            })