ci: add missing ‘Install Dependencies’ step to ci.yml

Author: jGleitz

.github/workflows/ci.yml

@@ -53,6 +53,8 @@ jobs:
         with:
           node-version-file: .nvmrc
           cache: pnpm
+      - name: Install Dependencies
+        run: pnpm install --frozen-lockfile
       - name: Release Check
         env:
           GITHUB_TOKEN: ${{ secrets.RELEASE_GITHUB_TOKEN }}