feat(coderd): allow workspace owners to mark workspaces as favorite (#11791)

- Adds column `favorite` to workspaces table
- Adds API endpoints to favorite/unfavorite workspaces
- Modifies sorting order to return owners' favorite workspaces first

cli/testdata/coder_list_--output_json.golden

@@ -61,6 +61,7 @@
       "failing_agents": []
     },
     "automatic_updates": "never",
-    "allow_renames": false
+    "allow_renames": false,
+    "favorite": false
   }
 ]