[fix] type issue from race condition on merge (#194676)

## Summary
#191926 introduces something
that's in contradiction with
#194144

This PR adds a fix.

packages/kbn-search-api-keys-components/src/providers/search_api_key_provider.tsx

@@ -72,7 +72,7 @@ export const ApiKeyContext = createContext<APIKeyContext>({
   initialiseKey: () => {},
 });
 
-export const SearchApiKeyProvider: React.FC = ({ children }) => {
+export const SearchApiKeyProvider: React.FC<React.PropsWithChildren> = ({ children }) => {
   const { http } = useKibana().services;
   const [state, dispatch] = useReducer(reducer, initialState);