ci(deploy): pass FORM_TOKEN_SECRET into generated env for anti-spam token signing

.gitea/workflows/deploy.yml

@@ -286,6 +286,9 @@ jobs:
       # Notifications
       GOTIFY_URL:          ${{ secrets.GOTIFY_URL }}
       GOTIFY_TOKEN:        ${{ secrets.GOTIFY_TOKEN }}
+
+      # Anti-spam
+      FORM_TOKEN_SECRET: ${{ secrets.FORM_TOKEN_SECRET }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -360,6 +363,9 @@ jobs:
             echo "GOTIFY_URL=$GOTIFY_URL"
             echo "GOTIFY_TOKEN=$GOTIFY_TOKEN"
             echo ""
+            echo "# Anti-spam"
+            echo "FORM_TOKEN_SECRET=$FORM_TOKEN_SECRET"
+            echo ""
             echo "TARGET=$TARGET"
             echo "SENTRY_ENVIRONMENT=$TARGET"
             echo "PROJECT_NAME=$PROJECT_NAME"