chore: bump up keyv version to v5 (#7936)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [keyv](https://togithub.com/jaredwray/keyv) | [`^4.5.4` -> `^5.0.0`](https://renovatebot.com/diffs/npm/keyv/4.5.4/5.0.1) | [![age](https://developer.mend.io/api/mc/badges/age/npm/keyv/5.0.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/keyv/5.0.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/keyv/4.5.4/5.0.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/keyv/4.5.4/5.0.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/). View the [repository job log](https://developer.mend.io/github/toeverything/AFFiNE).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4yNi4xIiwidXBkYXRlZEluVmVyIjoiMzguNTYuMCIsInRhcmdldEJyYW5jaCI6ImNhbmFyeSIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiXX0=-->

packages/backend/server/package.json

@@ -70,7 +70,7 @@
     "graphql-upload": "^16.0.2",
     "html-validate": "^8.20.1",
     "ioredis": "^5.3.2",
-    "keyv": "^4.5.4",
+    "keyv": "^5.0.0",
     "lodash-es": "^4.17.21",
     "mixpanel": "^0.18.0",
     "mustache": "^4.2.0",