logs: log github requests only if non-cached

lib/platform/github/gh-got-wrapper.js

@@ -11,11 +11,11 @@ function sleep(ms) {
 
 async function get(path, opts, retries = 5) {
   const method = opts && opts.method ? opts.method : 'get';
-  logger.debug(`${method.toUpperCase()} ${path} [retries=${retries}]`);
   if (method === 'get' && cache[path]) {
     logger.trace({ path }, 'Returning cached result');
     return cache[path];
   }
+  logger.debug(`${method.toUpperCase()} ${path} [retries=${retries}]`);
   try {
     if (appMode) {
       /* eslint-disable no-param-reassign */