remove isomorphic-git's workaround

Author: Andarist

package.json

@@ -90,7 +90,7 @@
     "access": "public"
   },
   "dependencies": {
-    "isomorphic-git": "^1.36.2"
+    "isomorphic-git": "^1.36.3"
   },
   "prettier": {}
 }

pnpm-lock.yaml

@@ -195,21 +195,12 @@ async function makeFileChanges(
       dir: repoDirectory,
       filepath: "some-dir/nested",
     });
-    const newCommit = await git.commit({
+    await git.commit({
       fs,
       dir: repoDirectory,
       message: "Add symlink",
       author: { name: "Test", email: "test@test.com" },
     });
-    // In detached HEAD state, isomorphic-git doesn't update HEAD after commit.
-    // Use writeRef to update HEAD to point to the new commit (until https://github.com/changesets/ghcommit/pull/46 is merged)
-    await git.writeRef({
-      fs,
-      dir: repoDirectory,
-      ref: "HEAD",
-      value: newCommit,
-      force: true,
-    });
 
     // Push the commit with symlink to GitHub so the API can use it as base.
     // Using native git since isomorphic-git push requires explicit auth setup.