Bump actions/upload-artifact from 6.0.0 to 7.0.0

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/containerized-ci.yml

@@ -122,7 +122,7 @@ jobs:
     ###############################################################################
     - name: Upload output file if test fails
       if: failure()
-      uses: actions/upload-artifact@v6.0.0
+      uses: actions/upload-artifact@v7.0.0
       with:
         name: outputs.${{ matrix.compiler }}.UKMO.tgz
         path: driver/data/outputs/UKMO/outputs.${{ matrix.compiler }}.UKMO.tgz

.github/workflows/continuous_integration.yml

@@ -168,7 +168,7 @@ jobs:
     ###############################################################################
     - name: Upload output file if test fails
       if: failure()
-      uses: actions/upload-artifact@v6.0.0
+      uses: actions/upload-artifact@v7.0.0
       with:
         name: outputs.${{ matrix.compiler }}.UKMO.tgz
         path: driver/data/outputs/UKMO/outputs.${{ matrix.compiler }}.UKMO.tgz