Update monthly_album_digest.yaml

Author: usefulalgorithm

.github/workflows/monthly_album_digest.yaml

@@ -26,14 +26,13 @@ jobs:
           stack exec monthly-rewind >> $GITHUB_OUTPUT
           echo 'EOF' >> $GITHUB_OUTPUT
 
-      - name: Send Email
+      - name: Send email via Mailgun
         id: send_email
         run: |
           TEXT="${{ steps.run.outputs.text }}"
-          curl -s --user 'api:${{ secrets.MAILGUN_API_KEY }}' \
+          curl -s --user "api:${{ secrets.MAILGUN_API_KEY }}" \
           https://api.mailgun.net/v3/${{ secrets.MAILGUN_SERVER }}/messages \
-          -F from='Mailgun Sandbox <postmaster@${{ secrets.MAILGUN_SERVER }}>' \
-          -F to='Tsung-Ju Lii <usefulalgorithm@gmail.com>' \
-          -F subject='Monthly Digest' \
+          -F from="Mailgun Sandbox <postmaster@${{ secrets.MAILGUN_SERVER }}>" \
+          -F to="Tsung-Ju Lii <usefulalgorithm@gmail.com>" \
+          -F subject="Monthly Digest" \
           --data-urlencode text="$TEXT"
-