chore: bump assertthat from 5.2.8 to 6.0.0 (#335)

Bumps [assertthat](https://github.com/thenativeweb/assertthat) from 5.2.8 to 6.0.0.
- [Release notes](https://github.com/thenativeweb/assertthat/releases)
- [Changelog](https://github.com/thenativeweb/assertthat/blob/main/CHANGELOG.md)
- [Commits](thenativeweb/assertthat@5.2.8...6.0.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -31,7 +31,7 @@
     "uuid": "8.3.2"
   },
   "devDependencies": {
-    "assertthat": "5.2.8",
+    "assertthat": "6.0.0",
     "roboter": "11.6.40",
     "semantic-release-configuration": "2.0.0"
   },