chore: update dependency loopback-datasource-juggler to v6

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

Author: renovate[bot]

package-lock.json

@@ -41,7 +41,7 @@
     "eslint": "^9.39.1",
     "eslint-config-loopback": "^13.1.0",
     "eslint-plugin-mocha": "^10.5.0",
-    "loopback-datasource-juggler": "^5.2.1",
+    "loopback-datasource-juggler": "^6.0.0",
     "mocha": "^11.7.5",
     "nyc": "^17.1.0"
   },