fix: remove indentation from heredoc EOF to prevent nginx syntax errors

.forgejo/workflows/deploy-beta.yml

@@ -41,7 +41,7 @@ jobs:
               }
             }
           }
-          EOF
+EOF
           cat << 'EOF' > tmp/nginx-proxy.conf
           server {
               listen 80;
@@ -55,7 +55,7 @@ jobs:
                   proxy_set_header X-Forwarded-Proto $scheme;
               }
           }
-          EOF          
+EOF
 
       - name: Package Application
         run: |