Bump query-string from 6.8.3 to 6.13.7

Bumps [query-string](https://github.com/sindresorhus/query-string) from 6.8.3 to 6.13.7.
- [Release notes](https://github.com/sindresorhus/query-string/releases)
- [Commits](sindresorhus/query-string@v6.8.3...v6.13.7)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -21,7 +21,7 @@
   "homepage": "https://github.com/PierrickGT/node-cheeze-wizards-api#readme",
   "dependencies": {
     "axios": "0.19.0",
-    "query-string": "6.8.3"
+    "query-string": "6.13.7"
   },
   "devDependencies": {
     "axios-mock-adapter": "1.17.0",