Merge pull request #22655 from asenyaev:asen/cuda_trigger_5.x

Trigger on dnn (onnx) label (5.x)

.github/workflows/PR-5.x.yaml

@@ -13,7 +13,7 @@ jobs:
     uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-5.x-U20.yaml@main
 
   Ubuntu2004-x64-CUDA:
-    if: "${{ contains(github.event.pull_request.labels.*.name, 'category: dnn') }}"
+    if: "${{ contains(github.event.pull_request.labels.*.name, 'category: dnn') }} || ${{ contains(github.event.pull_request.labels.*.name, 'category: dnn (onnx)') }}"
     uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-5.x-U20-Cuda.yaml@main
 
   Windows10-x64: