Bump eslint-config-htmlacademy from 0.5.2 to 2.1.0

Bumps [eslint-config-htmlacademy](https://github.com/htmlacademy/eslint-config-htmlacademy) from 0.5.2 to 2.1.0.
- [Release notes](https://github.com/htmlacademy/eslint-config-htmlacademy/releases)
- [Changelog](https://github.com/htmlacademy/eslint-config-htmlacademy/blob/master/changelog.md)
- [Commits](htmlacademy/eslint-config-htmlacademy@v0.5.2...v2.1.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -9,7 +9,7 @@
     "browser-sync": "2.26.13",
     "cross-env": "^7.0.3",
     "eslint": "7.19.0",
-    "eslint-config-htmlacademy": "0.5.2",
+    "eslint-config-htmlacademy": "2.1.0",
     "gulp": "4.0.x",
     "gulp-rename": "^2.0.0",
     "gulp-svgstore": "^7.0.1",