[roll] Roll fuchsia [cog] use new metadata format

Updates the logic for saving the metadata about the linked repository to
include the repository name and the workspace name.

Original-Bug: 459916749
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1419919
Original-Revision: 82db66fab2a82f63f45df9682d45d66f4716873a
GitOrigin-RevId: f471c6107c258e5e46d92430fc01c9ef1f4f78c3
Change-Id: I7fc2e60cf89c53402690ee3b9860c689be0a91b0
diff --git a/stem b/stem
index 76b8170..8b0b27f 100644
--- a/stem
+++ b/stem
@@ -7,7 +7,7 @@
             manifest="manifests/platform"
             root=""
             remote="https://fuchsia.googlesource.com/fuchsia"
-            revision="74c1fd4d2886d9f80291838e66b22a05e42e0909"/>
+            revision="82db66fab2a82f63f45df9682d45d66f4716873a"/>
   </imports>
   <projects>
     <project name="cobalt"