build(deps-dev): bump tslint from 6.1.1 to 6.1.2

Bumps [tslint](https://github.com/palantir/tslint) from 6.1.1 to 6.1.2.
- [Release notes](https://github.com/palantir/tslint/releases)
- [Changelog](https://github.com/palantir/tslint/blob/master/CHANGELOG.md)
- [Commits](palantir/tslint@6.1.1...6.1.2)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -63,7 +63,7 @@
     "ts-jest": "25.4.0",
     "ts-loader": "6.2.2",
     "ts-node": "8.9.1",
-    "tslint": "6.1.1",
+    "tslint": "6.1.2",
     "typescript": "3.8.3"
   },
   "dependencies": {