Bump dartdoc to 03f48ee08eccdcf2e4cd06678501f07c182bebf5

This is the first commit that should be compatible with analyzer 10.0.0

Change-Id: I7db249d1d91f17416c81268306f70baf3a460d48
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/473820
Commit-Queue: Samuel Rawlins <srawlins@google.com>
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>

pkg/dartdev/lib/src/commands/doc.dart

@@ -111,9 +111,7 @@ For additional documentation generation options, see the 'dartdoc_options.yaml'
     if (verbose) {
       log.stdout('Using the following options: $options');
     }
-    final packageConfigProvider = PhysicalPackageConfigProvider();
-    final packageBuilder = PubPackageBuilder(
-        config, pubPackageMetaProvider, packageConfigProvider);
+    final packageBuilder = PubPackageBuilder(config, pubPackageMetaProvider);
     Dartdoc.fromContext(config, packageBuilder).executeGuarded();
     return 0;
   }