Update comments to final version

Author: sigurdm

lib/src/source/hosted.dart

@@ -2181,7 +2181,7 @@ final class HostedSourceCache {
   scheduler;
 
   /// An in-memory cache to store the cached version listing loaded from
-  /// [_versionListingCachePath].
+  /// [HostedSource._versionListingCachePath].
   ///
   /// Invariant: Entries in this cache are the parsed version of the exact same
   /// information cached on disk. I.e. if the entry is present in this cache,

test/get/hosted/advisory_test.dart

@@ -525,7 +525,7 @@ Future<void> main() async {
       (request) => Response.internalServerError(),
     );
 
-    // Second fetch: the resolution is up to date, and therefore reused. 
+    // Second fetch: the resolution is up to date, and therefore reused.
     // It should read advisories from disk cache and print
     // the advisory warning, making zero network requests.
     await pubGet(output: contains('affected by advisory'));