Fixed commit avatar being aligned vertically

Closes #38411

app/assets/stylesheets/framework/lists.scss

@@ -229,6 +229,10 @@ ul.content-list {
   .label-default {
     color: $gl-text-color-secondary;
   }
+
+  .avatar-cell {
+    align-self: flex-start;
+  }
 }
 .panel > .content-list > li {

changelogs/unreleased/commit-row-avatar-align-top.yml

+---
+title: Fixed commit avatars being centered vertically
+merge_request:
+author:
+type: fixed