build(deps-dev): bump ts-loader from 6.1.0 to 6.1.2

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 6.1.0 to 6.1.2.
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/master/CHANGELOG.md)
- [Commits](TypeStrong/ts-loader@v6.1.0...v6.1.2)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

yarn.lock

@@ -4509,9 +4509,9 @@ trim-off-newlines@^1.0.0:
   resolved "https://registry.yarnpkg.com/trim-off-newlines/-/trim-off-newlines-1.0.1.tgz#9f9ba9d9efa8764c387698bcbfeb2c848f11adb3"
 
 ts-loader@^6.0.2:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-6.1.0.tgz#999cb0a7644f9c7c6c0901802dce50ceb0a76e5b"
-  integrity sha512-7JedeOu2rsYHQDEr2fwmMozABwbQTZXEaEMZPSIWG7gpzRefOLJCqwdazcegHtyaxp04PeEgs/b0m08WMpnIzQ==
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-6.1.2.tgz#ff6bc767334970226438949fbde2e211147a1325"
+  integrity sha512-dudxFKm0Ellrg/gLNlu+97/UgwvoMK0SdUVImPUSzq3IcRUVtShylZvcMX+CgvCQL1BEKb913NL0gAP1GA/OFw==
   dependencies:
     chalk "^2.3.0"
     enhanced-resolve "^4.0.0"