Bump fast-json-patch from 2.2.1 to 3.1.1

Bumps [fast-json-patch](https://github.com/Starcounter-Jack/JSON-Patch) from 2.2.1 to 3.1.1.
- [Release notes](https://github.com/Starcounter-Jack/JSON-Patch/releases)
- [Commits](Starcounter-Jack/JSON-Patch@v2.2.1...3.1.1)

---
updated-dependencies:
- dependency-name: fast-json-patch
  dependency-type: direct:production
...

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

package.json

@@ -38,7 +38,7 @@
     "express": "^4.16.4",
     "express-session": "^1.17.1",
     "express-validator": "^6.14.2",
-    "fast-json-patch": "^2.2.1",
+    "fast-json-patch": "^3.1.1",
     "file-type": "^16.5.4",
     "fs": "0.0.1-security",
     "http": "0.0.0",