Update GitPullRequestLockedIcon in snapshot tests

Author: janmaarten-a11y

lib/octicons_react/__tests__/__snapshots__/public-api.test.js.snap

@@ -164,6 +164,7 @@ exports[`@primer/octicons-react should not update exports without a semver chang
   "GitPullRequestClosedIcon",
   "GitPullRequestDraftIcon",
   "GitPullRequestIcon",
+  "GitPullRequestLockedIcon",
   "GlobeIcon",
   "GoalIcon",
   "GrabberIcon",
@@ -262,7 +263,6 @@ exports[`@primer/octicons-react should not update exports without a semver chang
   "ProjectRoadmapIcon",
   "ProjectSymlinkIcon",
   "ProjectTemplateIcon",
-  "GitPullRequestLockedIcon",
   "PulseIcon",
   "QuestionIcon",
   "QuoteIcon",