Pin npm install (#2436)

Author: trask

.github/workflows/assign-issue-owners.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Install yaml dependency used below
-        run: npm install .github/scripts
+        run: npm ci --prefix .github/scripts
 
       - name: Parse component label and assign owners
         uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0