send dependencies for main only

Author: jenschude

.github/workflows/ci.yml

@@ -186,6 +186,7 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - name: Generate and submit dependency graph
+        if: github.event_name == 'workflow_dispatch' || github.event_name == 'push' && github.ref == 'refs/heads/main'
         uses: gradle/actions/dependency-submission@db19848a5fa7950289d3668fb053140cf3028d43 # v3.3.2
         with:
           github-token: ${{ steps.generate_github_token.outputs.token }}