Bump trim and alex

Removes [trim](https://github.com/Trott/trim). It's no longer used after updating ancestor dependency [alex](https://github.com/get-alex/alex). These dependencies need to be updated together.


Removes `trim`

Updates `alex` from 8.2.0 to 10.0.0
- [Release notes](https://github.com/get-alex/alex/releases)
- [Commits](https://github.com/get-alex/alex/compare/8.2.0...10.0.0)

---
updated-dependencies:
- dependency-name: trim
  dependency-type: indirect
- dependency-name: alex
  dependency-type: direct:production
...

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

package.json

@@ -4,7 +4,7 @@
   "description": "Corona-Warn-App: Documentation repository",
   "main": "README.md",
   "dependencies": {
-    "alex": "^8.2.0",
+    "alex": "^10.0.0",
     "markdown-link-check": "~3.8.7",
     "markdownlint": "^0.26.2",
     "markdownlint-cli": "^0.32.2",