Don't spam the log when we could not properly connect to the appstore

If we can't connect to the appstore for some reason we don't have to log
the exception just an info entry is enough.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

lib/private/App/AppStore/Fetcher/Fetcher.php

@@ -170,7 +170,7 @@ public function get() {
 			$file->putContent(json_encode($responseJson));
 			return json_decode($file->getContent(), true)['data'];
 		} catch (ConnectException $e) {
-			$this->logger->logException($e, ['app' => 'appstoreFetcher']);
+			$this->logger->info('Could not connect to appstore', ['app' => 'appstoreFetcher']);
 			return [];
 		} catch (\Exception $e) {
 			return [];