Allow oc rollout cancel to fail on no rollouts

.github/workflows/pr.yml

@@ -34,7 +34,7 @@ jobs:
             ${{ runner.os }}-buildx-
 
       - name: Log in to the Container registry
-        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        uses: docker/login-action@v1
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -47,7 +47,7 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        uses: docker/build-push-action@v2
         with:
           context: .
           push: true
@@ -71,7 +71,7 @@ jobs:
           oc project ${{ secrets.NAMESPACE }}
 
           # Cancel any rollouts in progress
-          oc rollout cancel dc/gfp-${{ github.event.number }}
+          oc rollout cancel dc/gfp-${{ github.event.number }} || true
 
           # Process and apply deployment template
           oc process -f .pipeline/deploy.yml \