Fix fatimage workflow

Author: m-bull

.github/workflows/fatimage.yml

@@ -48,7 +48,7 @@ jobs:
           . venv/bin/activate
           . environments/.stackhpc/activate
           cd packer/
-          packer init
+          packer init .
           PACKER_LOG=1 packer build -only openstack.openhpc -on-error=ask -var-file=$PKR_VAR_environment_root/builder.pkrvars.hcl openstack.pkr.hcl
 
       - name: Get created image name from manifest