Bump knip from 5.18.2 to 5.20.0 (#33)

Bumps [knip](https://github.com/webpro-nl/knip/tree/HEAD/packages/knip) from 5.18.2 to 5.20.0.
- [Release notes](https://github.com/webpro-nl/knip/releases)
- [Changelog](https://github.com/webpro-nl/knip/blob/main/packages/knip/.release-it.json)
- [Commits](https://github.com/webpro-nl/knip/commits/5.20.0/packages/knip)

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

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package.json

@@ -82,7 +82,7 @@
     "fta-cli": "^2.0.0",
     "simple-git-hooks": "^2.11.1",
     "eslint-plugin-json": "^3.1.0",
-    "knip": "^5.18.2"
+    "knip": "^5.20.0"
   },
   "bin": {
     "iab": "bin/iab.js"