chore(deps-dev): bump ts-loader from 7.0.5 to 8.0.1

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 7.0.5 to 8.0.1.
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TypeStrong/ts-loader/compare/v7.0.5...v8.0.1)

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

package.json

@@ -48,7 +48,7 @@
     "rimraf": "^3.0.2",
     "semantic-release": "^17.1.1",
     "ts-jest": "^25.5.1",
-    "ts-loader": "^7.0.5",
+    "ts-loader": "^8.0.1",
     "tslint": "^6.1.2",
     "tslint-config-prettier": "^1.18.0",
     "typedoc": "^0.17.8",