Bump ts-loader from 6.2.2 to 8.0.1

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 6.2.2 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](TypeStrong/ts-loader@v6.2.2...v8.0.1)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -73,7 +73,7 @@
     "prettier": "^2.0.5",
     "supertest": "^4.0.2",
     "ts-jest": "^26.1.3",
-    "ts-loader": "^6.2.1",
+    "ts-loader": "^8.0.1",
     "ts-node": "^8.10.2",
     "tsconfig-paths": "^3.9.0",
     "typescript": "^3.9.7"