chore: update emoji-data-updater workflow

- Set working directory within the workflow.
- Remove redundant working directory changes.

Author: wax911

.github/workflows/emoji-data-updater.yml

@@ -27,7 +27,10 @@ jobs:
     - name: Download emoji-test data
       run: |
         curl -s -o emojify/src/test/resources/io/wax911/emojify/core/emoji-test.txt https://unicode.org/Public/emoji/${{ env.VERSION }}/emoji-test.txt
-    
+
+    - name: Set working directory
+      run: cd ${{ env.WORKING_DIR }}
+
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
@@ -44,9 +47,7 @@ jobs:
       env:
         PYTHONUNBUFFERED: 1
         EMOJI_VERSION: ${{ env.VERSION }}
-      run: |
-        cd ${{ env.WORKING_DIR }}
-        poetry run python emoji_generator/generator.py
+      run: poetry run python emoji_generator/generator.py
 
     - name: Push Changes and Create PR
       uses: peter-evans/create-pull-request@v7