Dropp pålogging til Harbor hvis PR (#44)

.github/workflows/harbor.yaml

@@ -42,6 +42,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to Harbor
+        if: github.event_name != 'pull_request'
         run: |
           echo ${{ secrets.HARBOR_PASSWORD }} | docker login --username ${{ secrets.HARBOR_USERNAME }} --password-stdin ${{ secrets.HARBOR_REGISTRY }}
       - name: Build image and push to Harbor