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](https://github.com/actions/upload-artifact/compare/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>

.github/workflows/build.yaml

@@ -265,7 +265,7 @@ jobs:
 
       - name: Upload executable
         if: steps.build.outputs.viewer_app
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: "${{ steps.build.outputs.artifact }}-app"
           path: |
@@ -275,13 +275,13 @@ jobs:
       # artifact for that too.
       - name: Upload symbol file
         if: steps.build.outputs.symbolfile
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: "${{ steps.build.outputs.artifact }}-symbols"
           path: ${{ steps.build.outputs.symbolfile }}
 
       - name: Upload metadata
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: "${{ steps.build.outputs.artifact }}-metadata"
           # emitted by build.sh, possibly multiple lines
@@ -289,7 +289,7 @@ jobs:
             ${{ steps.build.outputs.metadata }}
 
       - name: Upload physics package
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         # should only be set for viewer-private
         if: matrix.configuration == 'Release' && steps.build.outputs.physicstpv
         with: