chore(deps)(deps): bump better-auth from 1.7.0-rc.1 to 1.7.0-rc.2

Bumps [better-auth](https://github.com/better-auth/better-auth/tree/HEAD/packages/better-auth) from 1.7.0-rc.1 to 1.7.0-rc.2.
- [Release notes](https://github.com/better-auth/better-auth/releases)
- [Changelog](https://github.com/better-auth/better-auth/blob/v1.7.0-rc.2/packages/better-auth/CHANGELOG.md)
- [Commits](https://github.com/better-auth/better-auth/commits/v1.7.0-rc.2/packages/better-auth)

---
updated-dependencies:
- dependency-name: better-auth
  dependency-version: 1.7.0-rc.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/plugins/plugin-auth/package.json

@@ -28,7 +28,7 @@
     "@objectstack/rest": "workspace:*",
     "@objectstack/spec": "workspace:*",
     "@objectstack/types": "workspace:*",
-    "better-auth": "1.7.0-rc.1",
+    "better-auth": "1.7.0-rc.2",
     "jose": "^6.2.3"
   },
   "devDependencies": {