Bump ts-loader from 6.2.2 to 7.0.0

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 6.2.2 to 7.0.0.
- [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/v6.2.2...v7.0.0)

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

package.json

@@ -61,7 +61,7 @@
     "nyc": "^15.0.1",
     "playwright-core": "^0.11.1",
     "source-map-loader": "^0.2.4",
-    "ts-loader": "^6.0.4",
+    "ts-loader": "^7.0.0",
     "typescript": "3.8",
     "utf8": "^3.0.0",
     "webpack": "^4.35.3",