✨ feat: add step to install qiita-cli

Author: C-Naoki

action.yml

@@ -36,6 +36,11 @@ runs:
       continue-on-error: true
       shell: bash
 
+    - name: Install qiita-cli
+      run: |
+        npm install @qiita/qiita-cli --save-dev
+      shell: bash
+
     - name: Convert Zenn articles to Qiita format
       run: |
         for file in $(cat $GITHUB_WORKSPACE/changed_files.txt); do