revert: remove unrelated dependency audit updates

This reverts commit aa2cac01fd. The split-cache implementation and sequential-restore simplifications are retained.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

.licenses/npm/brace-expansion.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: brace-expansion
-version: 5.0.12
+version: 5.0.9
 type: npm
 summary: Brace expansion as known from sh/bash
 homepage:

.licenses/npm/undici.dep.yml

@@ -1,6 +1,6 @@
 ---
 name: undici
-version: 6.29.1
+version: 6.28.0
 type: npm
 summary: An HTTP/1.1 client, written from scratch for Node.js
 homepage: https://undici.nodejs.org