Bump @typescript-eslint/eslint-plugin in /packages/dids

Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 6.4.0 to 6.21.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v6.21.0/packages/eslint-plugin)

---
updated-dependencies:
- dependency-name: "@typescript-eslint/eslint-plugin"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

packages/dids/package.json

@@ -95,7 +95,7 @@
     "@types/ms": "0.7.31",
     "@types/node": "20.11.19",
     "@types/sinon": "17.0.2",
-    "@typescript-eslint/eslint-plugin": "6.4.0",
+    "@typescript-eslint/eslint-plugin": "6.21.0",
     "@typescript-eslint/parser": "6.4.0",
     "@web/test-runner": "0.18.0",
     "@web/test-runner-playwright": "0.11.0",