Workflow on Ubuntu 14.04 for 3.4 branch

.github/workflows/PR-3.4.yaml

@@ -6,13 +6,16 @@ on:
       - 3.4
 
 jobs:
-  ARM64:
+  Ubuntu2004-ARM64:
     uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-3.4-ARM64.yaml@main
 
-  U20:
+  Ubuntu1404-x64:
+    uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-3.4-U14.yaml@main
+
+  Ubuntu2004-x64:
     uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-3.4-U20.yaml@main
 
-  W10:
+  Windows10-x64:
     uses: opencv/ci-gha-workflow/.github/workflows/OCV-Contrib-PR-3.4-W10.yaml@main
 
   macOS-ARM64: