remove wallaby and yoga due to ubuntu 20.04 deprecation (#425)

Author: k0ka

.github/workflows/integration_tests.yml

@@ -36,14 +36,7 @@ jobs:
             ubuntu_version: "22.04"
           - name: "zed"
             openstack_version: "unmaintained/zed"
-            ubuntu_version: "20.04"
-          - name: "yoga"
-            openstack_version: "unmaintained/yoga"
-            ubuntu_version: "20.04"
-          - name: "wallaby"
-            openstack_version: "unmaintained/wallaby"
-            ubuntu_version: "20.04"
-            block_storage_v2: true
+            ubuntu_version: "22.04"
     runs-on: ubuntu-${{ matrix.ubuntu_version }}
     name: Deploy OpenStack ${{ matrix.name }} and run integration tests with php ${{matrix.php_version}}
     steps:
@@ -128,5 +121,5 @@ jobs:
         if: ${{ failure() }}
         uses: actions/upload-artifact@v4
         with:
-          name: failure-logs
+          name: failure-logs-${{ strategy.job-index }}
           path: failure-logs