chore(deps): npm audit fix

Author: themightychris

backend/package-lock.json

@@ -24,7 +24,7 @@
     "csv-parser": "^2.3.5",
     "deepmerge": "^4.2.2",
     "fast-csv": "^4.3.6",
-    "fast-json-patch": "^2.2.1",
+    "fast-json-patch": "^3.1.1",
     "get-stream": "^5.2.0",
     "hologit": "^0.41.8",
     "http-assert": "^1.4.1",
@@ -33,7 +33,7 @@
     "koa-router": "^7.4.0",
     "maxstache": "^1.0.7",
     "mz": "^2.7.0",
-    "rfc6902": "^4.0.1",
+    "rfc6902": "^5.0.1",
     "sort-keys": "^4.2.0",
     "streaming-json-stringify": "^3.1.0",
     "tmp": "^0.2.1",