build(deps-dev): bump @types/jwt-decode from 2.2.1 to 3.1.0

Bumps [@types/jwt-decode](https://github.com/auth0/jwt-decode) from 2.2.1 to 3.1.0.
- [Release notes](https://github.com/auth0/jwt-decode/releases)
- [Changelog](https://github.com/auth0/jwt-decode/blob/master/CHANGELOG.md)
- [Commits](https://github.com/auth0/jwt-decode/commits/v3.1.0)

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

plugins/auth-backend/package.json

@@ -36,7 +36,7 @@
     "got": "^11.5.2",
     "helmet": "^4.0.0",
     "jose": "^1.27.1",
-    "jwt-decode": "2.2.0",
+    "jwt-decode": "^3.1.0",
     "knex": "^0.21.6",
     "moment": "^2.26.0",
     "morgan": "^1.10.0",
@@ -59,7 +59,7 @@
     "@types/body-parser": "^1.19.0",
     "@types/cookie-parser": "^1.4.2",
     "@types/express-session": "^1.17.2",
-    "@types/jwt-decode": "2.2.1",
+    "@types/jwt-decode": "^3.1.0",
     "@types/nock": "^11.1.0",
     "@types/openid-client": "^3.7.0",
     "@types/passport": "^1.0.3",