chore: update dependency mocha to ^6.2.3

Signed-off-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package.json

@@ -56,7 +56,7 @@
     "juggler-v3": "file:./deps/juggler-v3",
     "juggler-v4": "file:./deps/juggler-v4",
     "loopback-datasource-juggler": "^3.0.0 || ^4.0.0",
-    "mocha": "^6.2.0",
+    "mocha": "^6.2.3",
     "nyc": "^14.1.1",
     "rc": "^1.2.8",
     "semver": "^6.3.0",