feat: migrate to esm

backend/backend/package.json

@@ -2,6 +2,7 @@
   "name": "@openstapps/backend",
   "description": "A reference implementation for a StApps backend",
   "version": "2.1.0",
+  "type": "module",
   "license": "AGPL-3.0-only",
   "author": "André Bierlein <andre.mt.bierlein@gmail.com>",
   "contributors": [
@@ -97,8 +98,8 @@
     "sinon": "14.0.2",
     "sinon-express-mock": "2.2.1",
     "supertest": "6.3.3",
-    "typedoc": "0.22.18",
-    "typescript": "4.4.4"
+    "typedoc": "0.23.26",
+    "typescript": "4.8.4"
   },
   "nyc": {
     "all": true,
@@ -124,5 +125,12 @@
       "ts-node/register"
     ],
     "statements": 95
+  },
+  "pnpm": {
+    "peerDependencyRules": {
+      "allowedVersions": {
+        "rxjs": "7.x"
+      }
+    }
   }
 }