Update eslint requirement from ^7.8.0 to ^7.8.1

Updates the requirements on [eslint](https://github.com/eslint/eslint) to permit the latest version.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v7.8.0...v7.8.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -41,7 +41,7 @@
     "@babel/register": "^7.11.5",
     "babel-plugin-add-module-exports": "^1.0.2",
     "chai": "^4.2.0",
-    "eslint": "^7.8.0",
+    "eslint": "^7.8.1",
     "eslint-plugin-chai-friendly": "^0.6.0",
     "eslint-plugin-import": "^2.22.0",
     "eslint-plugin-mocha": "^8.0.0",