Explicitly only add criu bin to release tar (#7)

Author: mnitchev

.github/workflows/release.yml

@@ -39,8 +39,8 @@ jobs:
 
       - name: Create tar
         run: |
-          tar -czf criu-${{ github.ref_name}}-kind-v${KIND_VERSION}.${KIND_MINOR}-amd64.tar.gz -C amd64-bins .
-          tar -czf criu-${{ github.ref_name}}-kind-v${KIND_VERSION}.${KIND_MINOR}-arm64.tar.gz -C arm64-bins .
+          tar -czf criu-${{ github.ref_name}}-kind-v${KIND_VERSION}.${KIND_MINOR}-amd64.tar.gz -C amd64-bins criu
+          tar -czf criu-${{ github.ref_name}}-kind-v${KIND_VERSION}.${KIND_MINOR}-arm64.tar.gz -C arm64-bins criu
 
       - name: Upload Release Asset
         uses: ncipollo/release-action@v1