Bump eslint from 6.8.0 to 7.25.0 (#35)

Bumps [eslint](https://github.com/eslint/eslint) from 6.8.0 to 7.25.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v6.8.0...v7.25.0)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -29,7 +29,7 @@
         "babel-jest": "^26.6.3",
         "babel-plugin-module-resolver": "^4.1.0",
         "babel-plugin-rewire": "^1.2.0",
-        "eslint": "^6.8.0",
+        "eslint": "^7.25.0",
         "eslint-config-airbnb": "^18.2.1",
         "eslint-config-prettier": "^6.8.0",
         "eslint-plugin-prettier": "^3.4.0",