Tweaks to the Ci workflow

* Build packages for Ubuntu 22.04
* Skip the build of Python wheels for "regular" builds to save time on the execution of the workflow.

.github/workflows/cpp-python-build.yml

@@ -43,12 +43,17 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04]
+        os: [ubuntu-22.04]
         expat: [ON, OFF]
         shared_libs: [ON, OFF]
         build_julia: [OFF]
         display_stack_trace: [ON]
         include:
+          - os: ubuntu-20.04
+            expat: OFF
+            shared_libs: OFF
+            build_julia: ON
+            display_stack_trace: OFF
           - os: ubuntu-18.04
             expat: OFF
             shared_libs: OFF
@@ -547,7 +552,7 @@ jobs:
           mypy test.py
 
   Python-Wheels:
-    if: github.event_name == 'push' && (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/'))
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
     name: Build Python wheels
     needs: [Linux, Windows-MSVC, MacOSX]
     runs-on: ${{ matrix.os }}
@@ -716,7 +721,7 @@ jobs:
           files: all_targets.info
 
   Rolling-Release:
-    needs: [Python-Wheels, Test-Build-PyPackage-From-Source, Windows-MinGW32, Windows-installer]
+    needs: [Test-Build-PyPackage-From-Source, Windows-MinGW32, Windows-installer]
     name: Deploy Rolling Release
     runs-on: ubuntu-latest
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'