Update dependency eslint to v7.30.0 (#136)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "babel-plugin-un-cjs": "2.5.0",
     "errorstacks": "2.3.2",
     "esbuild-jest": "0.5.0",
-    "eslint": "7.29.0",
+    "eslint": "7.30.0",
     "jest": "27.0.6",
     "kolorist": "1.5.0",
     "liquidjs": "9.25.1",