fix: ci: tar without folders

Author: WasinWatt

.github/workflows/build-release.yml

@@ -35,7 +35,7 @@ jobs:
       # tar.gz
       - name: Create tar.gz
         run: |
-          tar -czvf weave_${{ matrix.goos }}_${{ matrix.goarch }}.tar.gz build/${{ matrix.goos }}_${{ matrix.goarch }}/weave
+          tar -czvf weave_${{ matrix.goos }}_${{ matrix.goarch }}.tar.gz -C build/${{ matrix.goos }}_${{ matrix.goarch }} weave
 
       - name: Upload binaries as artifacts
         uses: actions/upload-artifact@v3