Bump actions/upload-artifact from 5 to 6 (#16)

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -32,7 +32,7 @@ jobs:
       run: tar -cvf ../components.tar *.wasm*
       working-directory: ./lib
     - name: Upload components.tar
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: components.tar
         path: components.tar