root: fix make gen-diff command (#22548)

Makefile

@@ -201,8 +201,8 @@ gen-diff:  ## (Release) generate the changelog diff between the current schema a
 		/local/schema-old.yml \
 		/local/schema.yml
 	rm schema-old.yml
-	$(SED_INPLACE) 's/{/{/g' diff.md
-	$(SED_INPLACE) 's/}/}/g' diff.md
+	$(SED_INPLACE) 's/{/\{/g' diff.md
+	$(SED_INPLACE) 's/}/\}/g' diff.md
 	npx prettier --write diff.md
 
 gen-client-go:  ## Build and install the authentik API for Golang

scripts/compose.yml

@@ -32,11 +32,13 @@ services:
     restart: always
   diff:
     image: docker.io/openapitools/openapi-diff:2.1.7
-    entrypoint: "/bin/true"
+    # Only run when explicitly invoked (e.g. `make gen-diff`), never on `docker compose up`.
+    profiles:
+      - diff
     restart: no
     network_mode: none
     volumes:
-      - ../:/local:ro
+      - ../:/local
 
 volumes:
   db-data: