Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

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

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

.github/workflows/build.yml

@@ -46,7 +46,7 @@ jobs:
       run: makensis Installer\CairoShell_${{ matrix.target[0] }}.nsi
 
     - name: Upload build artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: Installer ${{ matrix.target[0] == 'x86' && '32-bit' || matrix.target[0] == 'x86_net6' && '32-bit .NET 6' || matrix.target[0] == 'x64' && '64-bit' || matrix.target[0] == 'x64_net6' && '64-bit .NET 6' || 'ARM64' }}
         path: 'Installer\*.exe'