Bump actions/upload-artifact from 5 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -57,7 +57,7 @@ jobs:
 
     - name: publish artifact
       if: ${{ matrix.configuration == 'Release' }}
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: 'vbamc_packages_${{ matrix.configuration }}'
         path: '${{ github.workspace }}/dist'

.github/workflows/release.yml

@@ -59,7 +59,7 @@ jobs:
         show-summary: true
 
     - name: publish artifact
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: vbamc_packages
         path: |