fix(datasource/maven): Reduce cache TTL to 15 minutes (renovatebot#35891)

Author: zharinov

lib/modules/datasource/maven/util.ts

@@ -66,7 +66,7 @@ function isUnsupportedHostError(err: HttpError): boolean {
 
 const cacheProvider = new PackageHttpCacheProvider({
   namespace: 'datasource-maven:cache-provider',
-  ttlMinutes: 7 * 24 * 60,
+  ttlMinutes: 15,
   checkAuthorizationHeader: true,
   checkCacheControlHeader: false, // Maven doesn't respond with `cache-control` headers
 });