Update actions/upload-artifact action to v6

Author: renovate[bot]

.github/workflows/main.yml

@@ -179,7 +179,7 @@ jobs:
 
       - name: Upload build artifacts
         if: github.event.inputs.build_os == matrix.platform || github.event.inputs.build_os == 'All'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ matrix.os_type }}-${{ matrix.platform == 'Windows x64' && 'x64' || matrix.platform == 'Windows ARM64' && 'arm64' || matrix.platform == 'macOS x64' && 'x64' || matrix.platform == 'macOS ARM64' && 'arm64' || matrix.platform == 'Linux x64' && 'x64' || 'arm64' }}-${{ contains(matrix.os, 'windows') && 'executables' || 'packages' }}
           path: dist_electron/*
@@ -188,7 +188,7 @@ jobs:
 
       - name: Upload update manifests
         if: github.event.inputs.build_os == matrix.platform || github.event.inputs.build_os == 'All'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ matrix.os_type }}-${{ matrix.platform == 'Windows x64' && 'x64' || matrix.platform == 'Windows ARM64' && 'arm64' || matrix.platform == 'macOS x64' && 'x64' || matrix.platform == 'macOS ARM64' && 'arm64' || matrix.platform == 'Linux x64' && 'x64' || 'arm64' }}-yml
           path: dist_electron/github/*