chore: update chai.js packages

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -35,8 +35,8 @@
   "devDependencies": {
     "@commitlint/config-conventional": "^19.8.1",
     "@eslint/eslintrc": "^3.3.1",
-    "chai": "^4.5.0",
-    "chai-as-promised": "^7.1.2",
+    "chai": "^6.2.0",
+    "chai-as-promised": "^8.0.2",
     "commitlint": "^19.8.1",
     "eslint": "^9.36.0",
     "eslint-config-loopback": "^13.1.0",