Update dependency knex to v0.95.15

Author: renovate-bot

package.json

@@ -94,7 +94,7 @@
     "http-server": "^0.11.1",
     "husky": "^1.3.1",
     "jest-cli": "^24.1.0",
-    "knex": "0.18.1",
+    "knex": "0.95.15",
     "lint-staged": "^8.2.1",
     "mocha": "^6.1.4",
     "mysql": "^2.16.0",