Bump eslint from 3.5.0 to 6.7.2

Bumps [eslint](https://github.com/eslint/eslint) from 3.5.0 to 6.7.2.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v3.5.0...v6.7.2)

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

Author: dependabot[bot]

package.json

@@ -19,7 +19,7 @@
   "repository": "push2cloud/compiler",
   "homepage": "http://push2.cloud/",
   "devDependencies": {
-    "eslint": "3.5.0"
+    "eslint": "6.7.2"
   },
   "dependencies": {
     "async": "2.0.1",