fix: 修复配额说明重复和undefined问题

- 在editStorageForm中初始化oss_storage_quota_value和oss_quota_unit
- 删除重复的旧配额说明块，保留新的当前配额设置显示

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/node_modules/simple-get/.github/dependabot.yml

@@ -0,0 +1,15 @@
+version: 2
+updates:
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: daily
+    labels:
+      - dependency
+    versioning-strategy: increase-if-necessary
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily
+    labels:
+      - dependency