Restore tar decompression

Author: Zach Swanson

.github/workflows/main.yml

@@ -34,7 +34,7 @@ jobs:
           os=$(go env GOOS)
           arch=$(go env GOARCH)
           version=2.3.1
-          curl -L https://github.com/kubernetes-sigs/kubebuilder/releases/download/v${version}/kubebuilder_${version}_${os}_${arch}.tar.gz
+          curl -L https://github.com/kubernetes-sigs/kubebuilder/releases/download/v${version}/kubebuilder_${version}_${os}_${arch}.tar.gz | tar -xz -C /tmp/
           sudo mv /tmp/kubebuilder_2.3.1_${os}_${arch} /usr/local/kubebuilder
       - run: make test