Upgrade: [dependabot] - bump @nhs/fhir-middy-error-handler

Bumps [@nhs/fhir-middy-error-handler](https://github.com/NHSDigital/nhs-fhir-middy-error-handler) from 2.1.53 to 2.1.55.
- [Release notes](https://github.com/NHSDigital/nhs-fhir-middy-error-handler/releases)
- [Changelog](https://github.com/NHSDigital/nhs-fhir-middy-error-handler/blob/main/RELEASE.md)
- [Commits](NHSDigital/nhs-fhir-middy-error-handler@v2.1.53...v2.1.55)

---
updated-dependencies:
- dependency-name: "@nhs/fhir-middy-error-handler"
  dependency-version: 2.1.55
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -16,6 +16,6 @@
         "@aws-lambda-powertools/logger": "^2.27.0",
         "@middy/core": "^6.4.5",
         "@middy/input-output-logger": "^6.4.5",
-        "@nhs/fhir-middy-error-handler": "^2.1.53"
+        "@nhs/fhir-middy-error-handler": "^2.1.55"
     }
 }