Expand comment on fetch depth

Author: adamtheturtle

.github/workflows/ci.yml

@@ -24,7 +24,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-        # Avoid https://github.com/astral-sh/uv/issues/8148
+        # Avoid issues with depending on a particular version of this
+        # package from another package.
+        # We need our tags in order to calculate the version.
+        # See https://github.com/astral-sh/uv/issues/8148.
         with:
           fetch-depth: 0
           fetch-tags: true