chore(deps): update stryker-js monorepo -> 7 - devdependency

Author: renovate[bot]

package.json

@@ -61,9 +61,9 @@
     "update-notifier": "^5.1.0"
   },
   "devDependencies": {
-    "@stryker-mutator/core": "^3.3.1",
+    "@stryker-mutator/core": "^7.1.0",
     "@stryker-mutator/javascript-mutator": "^3.3.1",
-    "@stryker-mutator/jest-runner": "^3.3.1",
+    "@stryker-mutator/jest-runner": "^7.1.0",
     "cross-env": "^7.0.3",
     "eslint": "^7.32.0",
     "eslint-config-standard": "^14.1.1",