Bump actions/upload-artifact from 4 to 5 (#381)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build-custom.yml

@@ -137,7 +137,7 @@ jobs:
           wait $PIDfluid
         fi
     - name: Archive logs
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: logs
         path: |
@@ -151,7 +151,7 @@ jobs:
           tutorials/partitioned-pipe/fluid1-openfoam-pimplefoam/fluid1-openfoam-pimplefoam.log
           tutorials/partitioned-pipe/fluid2-openfoam-pimplefoam/fluid2-openfoam-pimplefoam.log
     - name: Archive case files
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: case-files
         path: |