fix: use GITHUB_ACTOR in git config (#7)

Author: vil02

.github/workflows/directory_workflow.yml

@@ -10,8 +10,8 @@ jobs:
       - uses: actions/setup-python@v2
       - name: Setup Git Specs
         run: |
-          git config --global user.name github-actions
-          git config --global user.email '${GITHUB_ACTOR}@users.noreply.github.com'
+          git config --global user.name "$GITHUB_ACTOR"
+          git config --global user.email "$GITHUB_ACTOR@users.noreply.github.com"
           git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
       - name: Update DIRECTORY.md
         shell: python