ci: fix indentation in .env generation step of CD workflow

.gitea/workflows/cd.yml

@@ -28,17 +28,17 @@ jobs:
       - name: Prepare environment
         run: |
           cat > .env << 'EOF'
-          DATABASE_URL="${{ secrets.DATABASE_URL }}"
-          REDIS_URL=redis://redis:6379/0
-          PLAYLIST_PATH=/app/playlist/playlist.txt
-          HLS_SEGMENT_DURATION=6
-          HLS_WINDOW_SIZE=24
-          LOG_LEVEL=info
-          ADMIN_USERNAME="${{ secrets.ADMIN_USERNAME }}"
-          ADMIN_PASSWORD="${{ secrets.ADMIN_PASSWORD }}"
-          ADMIN_SESSION_TTL_HOURS=12
-          NGINX_PORT=80
-          EOF
+DATABASE_URL="${{ secrets.DATABASE_URL }}"
+REDIS_URL=redis://redis:6379/0
+PLAYLIST_PATH=/app/playlist/playlist.txt
+HLS_SEGMENT_DURATION=6
+HLS_WINDOW_SIZE=24
+LOG_LEVEL=info
+ADMIN_USERNAME="${{ secrets.ADMIN_USERNAME }}"
+ADMIN_PASSWORD="${{ secrets.ADMIN_PASSWORD }}"
+ADMIN_SESSION_TTL_HOURS=12
+NGINX_PORT=80
+EOF
 
       - name: Deploy with docker-compose
         env: