chore: add rush change file for package-deps-hash worktree fix

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: istateside

common/changes/@rushstack/package-deps-hash/fix-git-dir-worktree-hook_2026-06-03-00-00.json

@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "Fix build cache failures when running inside a git linked worktree via a pre-commit hook, caused by GIT_DIR being set to the per-worktree metadata directory",
+      "type": "patch",
+      "packageName": "@rushstack/package-deps-hash"
+    }
+  ],
+  "packageName": "@rushstack/package-deps-hash",
+  "email": "kfleischman@squarespace.com"
+}