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] <[email protected]>

Author: dependabot-preview[bot]

yarn.lock

@@ -6162,9 +6162,9 @@ tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==
 
 tslint@^6.1.0:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.1.1.tgz#ac03fbd17f85bfefaae348b353b25a88efe10cde"
-  integrity sha512-kd6AQ/IgPRpLn6g5TozqzPdGNZ0q0jtXW4//hRcj10qLYBaa3mTUU2y2MCG+RXZm8Zx+KZi0eA+YCrMyNlF4UA==
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.1.2.tgz#2433c248512cc5a7b2ab88ad44a6b1b34c6911cf"
+  integrity sha512-UyNrLdK3E0fQG/xWNqAFAC5ugtFyPO4JJR1KyyfQAyzR8W0fTRrC91A8Wej4BntFzcvETdCSDa/4PnNYJQLYiA==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     builtin-modules "^1.1.1"