Bump nunjucks from 3.2.2 to 3.2.3

Bumps [nunjucks](https://github.com/mozilla/nunjucks) from 3.2.2 to 3.2.3.
- [Release notes](https://github.com/mozilla/nunjucks/releases)
- [Changelog](https://github.com/mozilla/nunjucks/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mozilla/nunjucks/commits)

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

package.json

@@ -16,9 +16,9 @@
     "node-2fa": "^2.0.1",
     "node-http-ping": "^0.3.1",
     "nodemon": "^2.0.4",
-    "nunjucks": "^3.2.2",
+    "nunjucks": "^3.2.3",
     "shelljs": "^0.8.4",
-    "socket.io": "^3.0.4",
+    "socket.io": "^3.1.2",
     "ts-node": "^9.0.0",
     "tsc": "^1.20150623.0",
     "typescript": "^4.1.3",
@@ -34,7 +34,7 @@
     "@types/lodash": "^4.14.166",
     "@types/socket.io": "^2.1.11",
     "appbox-types": "^0.0.7",
-    "concurrently": "^5.3.0"
+    "concurrently": "^6.0.0"
   },
   "name": "appbox-server",
   "version": "0.0.1",