oracle: bump workerd from 1.20260820.1 to 1.20260825.1

Bumps [workerd](https://github.com/cloudflare/workerd) from 1.20260820.1 to 1.20260825.1.
- [Release notes](https://github.com/cloudflare/workerd/releases)
- [Changelog](https://github.com/cloudflare/workerd/blob/main/RELEASE.md)
- [Commits](cloudflare/workerd@v1.20260820.1...v1.20260825.1)

---
updated-dependencies:
- dependency-name: workerd
  dependency-version: 1.20260825.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -127,7 +127,7 @@
     "publint": "0.3.23",
     "typescript": "^5.9.3",
     "vitest": "4.1.10",
-    "workerd": "1.20260820.1",
+    "workerd": "1.20260825.1",
     "wrangler": "^4.114.0"
   },
   "engines": {