Update dependency chai to v6

Update chai from 4.5.0 to 6.2.0

Change-type: patch

Author: balena-renovate[bot]

package.json

@@ -28,7 +28,7 @@
     "@balena/lint": "^9.3.8",
     "@types/chai": "^4.3.20",
     "@types/mocha": "^10.0.10",
-    "chai": "^4.5.0",
+    "chai": "^6.0.0",
     "mocha": "^11.7.4",
     "timekeeper": "^2.3.1",
     "ts-node": "^10.9.2",