root: fix scripts compose & gen-diff (#21389)

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

scripts/compose.yml

@@ -30,10 +30,10 @@ services:
     ports:
       - 127.0.0.1:8969:8969
     restart: always
-  gen:
+  diff:
     image: docker.io/openapitools/openapi-diff:2.1.7
     entrypoint: "/bin/true"
-    restart: never
+    restart: no
     network_mode: none
     volumes:
       - ../:/local:ro