Include add-to-project.yml, identical to AF version

Include add-to-project.yml, identical to AF version

Author: smcvb

.github/workflows/add-to-project.yml

@@ -0,0 +1,18 @@
+name: Automatically add Dependency Upgrades to project
+
+on:
+  pull_request:
+    types:
+      - labeled
+
+jobs:
+  add-to-project:
+    name: Add Dependency Upgrade PR to project
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - uses: actions/add-to-project@main
+        with:
+          project-url: https://github.com/orgs/AxonFramework/projects/2
+          github-token: ${{ secrets.ADD_PROJECT_TOKEN }}
+          labeled: 'Type: Dependency Upgrade'