chore: update dependency bson to v6

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

Author: renovate[bot]

package-lock.json

@@ -40,7 +40,7 @@
     "@commitlint/config-conventional": "^19.2.2",
     "@types/node": "^10.17.60",
     "async-iterators": "^0.2.2",
-    "bson": "^4.7.2",
+    "bson": "^6.7.0",
     "eslint": "^8.57.0",
     "eslint-config-loopback": "^13.1.0",
     "eslint-plugin-mocha": "^10.4.3",