refactor: added missing pnpm i

Author: mfranzke

.github/workflows/codeql.yml

@@ -77,6 +77,9 @@ jobs:
           node-version-file: ".nvmrc"
           cache: "pnpm"
 
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3