CI: update GHA pipelines (5.x)

Author: mshabunin

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

@@ -6,30 +6,23 @@ on:
       - 5.x
 
 jobs:
-  Ubuntu2004-ARM64:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-ARM64.yaml@main
+  # Ubuntu2004-ARM64:
+  #   uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-ARM64.yaml@main
 
-  Ubuntu2004-x64:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-U20.yaml@main
+  # Ubuntu2004-x64-CUDA:
+  #   uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-U20-Cuda.yaml@main
 
-  Ubuntu2204-x64:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-U22.yaml@main
+  # Windows10-x64:
+  #   uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-W10.yaml@main
 
-# TODO:
-#   Ubuntu2404-x64:
-#     uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-U24.yaml@main
+  # macOS-ARM64:
+  #   uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-macOS-ARM64.yaml@main
 
-  Ubuntu2004-x64-CUDA:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-U20-Cuda.yaml@main
+  # macOS-X64:
+  #   uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-macOS-x86_64.yaml@main
 
-  Windows10-x64:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-W10.yaml@main
+  # Linux-RISC-V-Clang:
+  #   uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-RISCV.yaml@main
 
-  macOS-ARM64:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-macOS-ARM64.yaml@main
-
-  macOS-X64:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-macOS-x86_64.yaml@main
-
-  Linux-RISC-V-Clang:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-5.x-RISCV.yaml@main
+  Linux:
+    uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-Linux.yaml@add-custom-action