fix(CI): set zizmor min-severity to medium to ignore info-level findings

Author: actions-user

.github/workflows/ci.yml

@@ -212,7 +212,7 @@ jobs:
         run: pip install zizmor
 
       - name: Scan GitHub Actions workflows
-        run: zizmor --format plain .github/workflows/
+        run: zizmor --format plain --min-severity medium .github/workflows/
 
   wasm:
     runs-on: ubuntu-latest