frontend-plugin-api: switch naming recommendation from define to defineParams

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/signals/src/alpha.tsx

@@ -27,8 +27,8 @@ import { SignalsDisplay } from './plugin';
 import { compatWrapper } from '@backstage/core-compat-api';
 
 const api = ApiBlueprint.make({
-  params: define =>
-    define({
+  params: defineParams =>
+    defineParams({
       api: signalApiRef,
       deps: {
         identity: identityApiRef,