Bump actions/upload-artifact from 4 to 5

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] <[email protected]>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -79,7 +79,7 @@ jobs:
           castle-engine compile --os=linux --cpu=x86_64 --manifest-name=CastleEngineManifest.converter.xml
           castle-engine package --os=linux --cpu=x86_64
       - name: Archive Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: windows-linux-builds
           path: |
@@ -135,7 +135,7 @@ jobs:
           echo "Packed to ${ZIPNAME}"
 
       - name: Archive Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: ${{ matrix.runner }}-build
           path: |
@@ -198,7 +198,7 @@ jobs:
             castle-engine package
 
       - name: Archive Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: raspberry-pi-${{ matrix.arch }}-build
           path: |

.github/workflows/test-demo-models.yml

@@ -34,7 +34,7 @@ jobs:
     # This way we have it even when comparing fails.
     # This is useful to later analyze, and to update test_scripts/run_tests_valid_output.txt .
     - name: Archive Artifacts (logs)
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: logs
         path: |