workflow: Fix kustomize permission issue

Fix kustomize install for non-root user by installing in a local
directory and then using sudo install to put it in /usr/local/bin/

Signed-off-by: stevenhorsman <steven@uk.ibm.com>

.github/workflows/e2e_libvirt.yaml

@@ -103,9 +103,8 @@ jobs:
       - name: Install kustomize
         run: |
           command -v kustomize >/dev/null || \
-          sudo curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" | \
-            bash -s /usr/local/bin
-          sudo chmod a+x /usr/local/bin/kustomize
+          sudo curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" | bash
+          sudo install -o root -g root -m 0755 kustomize /usr/local/bin/kustomize
 
       - name: Checkout KBS Repository
         run: |