Merge pull request #24095 from asmorkalov:as/5.x-ci-ubuntu22

Add CI configuration with Ubuntu 22.04 for 5.x branch.

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

@@ -15,6 +15,9 @@ jobs:
   Ubuntu2004-x64:
     uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-5.x-U20.yaml@main
 
+  Ubuntu2204-x64:
+    uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-5.x-U22.yaml@main
+
   Ubuntu2004-x64-CUDA:
     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