chore: update ci following template

Author: danielbui12

.github/workflows/verify-template.yml

@@ -22,7 +22,7 @@ jobs:
             --define project-description="An example blueprint"
             --define project-homepage="https://tangle.tools"
             --define flakes=true
-            --define docker=true
+            --define container=true
             --define base-image="rustlang/rust:nightly"
             --define ci=true
             --define rust-ci=true