fix: add missing (optional) peer dependency on Jest (#1384)

Author: SimenB

package.json

@@ -145,7 +145,8 @@
   },
   "peerDependencies": {
     "@typescript-eslint/eslint-plugin": "^5.0.0",
-    "eslint": "^7.0.0 || ^8.0.0"
+    "eslint": "^7.0.0 || ^8.0.0",
+    "jest": "*"
   },
   "peerDependenciesMeta": {
     "@typescript-eslint/eslint-plugin": {

yarn.lock

@@ -4934,6 +4934,7 @@ __metadata:
   peerDependencies:
     "@typescript-eslint/eslint-plugin": ^5.0.0
     eslint: ^7.0.0 || ^8.0.0
+    jest: "*"
   peerDependenciesMeta:
     "@typescript-eslint/eslint-plugin":
       optional: true