build(deps-dev): bump @typescript-eslint/eslint-plugin (#592)

Author: dependabot[bot]

package-lock.json

@@ -56,7 +56,7 @@
     "@rollup/plugin-node-resolve": "^11.1.1",
     "@types/jest": "^26.0.20",
     "@types/node": "^14.14.27",
-    "@typescript-eslint/eslint-plugin": "^4.13.0",
+    "@typescript-eslint/eslint-plugin": "^4.15.0",
     "@typescript-eslint/parser": "^4.13.0",
     "eslint": "^7.20.0",
     "eslint-config-prettier": "^7.2.0",