workflow: install Crowdin CLI

It was missed in the initial commit. Unfortunately Crowdin's provided
action does not allow simply installing Crowdin itself, so we have to
manually install it using NPM.

.github/workflows/crowdin-commit.yml

@@ -19,6 +19,12 @@ jobs:
           ruby-version: '3.2'
           bundler-cache: true
 
+      - uses: actions/setup-node@v4
+
+      - name: Setup Crowdin CLI
+        run: |
+          npm i -g @crowdin/cli
+
       - name: Pull from Crowdin
         run: |
           CROWDIN_TOKEN=${{ secrets.CROWDIN_TOKEN }} ./crowdin-pull.sh