chore: bump assertthat from 6.4.0 to 6.5.0 (#5)

Bumps [assertthat](https://github.com/thenativeweb/assertthat) from 6.4.0 to 6.5.0.
- [Release notes](https://github.com/thenativeweb/assertthat/releases)
- [Changelog](https://github.com/thenativeweb/assertthat/blob/main/CHANGELOG.md)
- [Commits](https://github.com/thenativeweb/assertthat/compare/6.4.0...6.5.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -17,7 +17,7 @@
     "color": "4.2.1"
   },
   "devDependencies": {
-    "assertthat": "6.4.0",
+    "assertthat": "6.5.0",
     "common-tags": "1.8.2",
     "roboter": "12.7.0",
     "semantic-release-configuration": "2.0.7"