Bump tsx from 4.20.3 to 4.20.6 (#4)

Bumps [tsx](https://github.com/privatenumber/tsx) from 4.20.3 to 4.20.6.
- [Release notes](https://github.com/privatenumber/tsx/releases)
- [Changelog](https://github.com/privatenumber/tsx/blob/master/release.config.cjs)
- [Commits](privatenumber/tsx@v4.20.3...v4.20.6)

---
updated-dependencies:
- dependency-name: tsx
  dependency-version: 4.20.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ross Buggins (NHS) <ross.buggins@nhs.net>

Author: dependabot[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "lcov-result-merger": "^5.0.1",
     "ts-jest": "^29.3.0",
     "ts-node": "^10.9.2",
-    "tsx": "^4.19.3"
+    "tsx": "^4.20.6"
   },
   "name": "nhs-notify-repository-template",
   "overrides": {