Tweaks to showing new version available

- Added frontend translation for english
- Moved frontend api logic to hook and backend api space
- Added swagger schema for the new api endpoint
- Moved backend logic to its own internal file
- Added user agent header to github api check
- Added cypress integration test for version check api
- Added a memory cache item from github check to avoid hitting it too
  much

frontend/src/hooks/index.ts

@@ -4,6 +4,7 @@ export * from "./useAuditLog";
 export * from "./useAuditLogs";
 export * from "./useCertificate";
 export * from "./useCertificates";
+export * from "./useCheckVersion";
 export * from "./useDeadHost";
 export * from "./useDeadHosts";
 export * from "./useDnsProviders";

frontend/src/hooks/useCheckVersion.ts

@@ -0,0 +1,18 @@
+import { useQuery } from "@tanstack/react-query";
+import { checkVersion, type VersionCheckResponse } from "src/api/backend";
+
+const fetchVersion = () => checkVersion();
+
+const useCheckVersion = (options = {}) => {
+	return useQuery<VersionCheckResponse, Error>({
+		queryKey: ["version-check"],
+		queryFn: fetchVersion,
+		refetchOnWindowFocus: false,
+		retry: 5,
+		refetchInterval: 30 * 1000, // 30 seconds
+		staleTime: 5 * 60 * 1000, // 5 mins
+		...options,
+	});
+};
+
+export { fetchVersion, useCheckVersion };