Bump @openapitools/openapi-generator-cli from 2.22.0 to 2.23.4

Bumps [@openapitools/openapi-generator-cli](https://github.com/OpenAPITools/openapi-generator-cli) from 2.22.0 to 2.23.4.
- [Release notes](https://github.com/OpenAPITools/openapi-generator-cli/releases)
- [Changelog](https://github.com/OpenAPITools/openapi-generator-cli/blob/master/.releaserc)
- [Commits](OpenAPITools/openapi-generator-cli@v2.22.0...v2.23.4)

---
updated-dependencies:
- dependency-name: "@openapitools/openapi-generator-cli"
  dependency-version: 2.23.4
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -11,7 +11,7 @@
   "license": "MIT",
   "homepage": "https://github.com/NHSDigital/eligibility-signposting-api",
   "devDependencies": {
-    "@openapitools/openapi-generator-cli": "^2.22.0",
+    "@openapitools/openapi-generator-cli": "^2.23.4",
     "apigeetool": "^0.16.5",
     "license-checker": "^25.0.1",
     "minimist": "^1.2.2",