chore(deps-dev): bump serverless-step-functions in /src/pricing-service (#417)

Bumps [serverless-step-functions](https://github.com/horike37/serverless-step-functions) from 3.23.0 to 3.23.3.
- [Release notes](https://github.com/horike37/serverless-step-functions/releases)
- [Commits](serverless-operations/serverless-step-functions@v3.23.0...v3.23.3)

---
updated-dependencies:
- dependency-name: serverless-step-functions
  dependency-version: 3.23.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]

src/pricing-service/package-lock.json

@@ -37,7 +37,7 @@
     "moq.ts": "^10.1.0",
     "serverless-esbuild": "^1.55.0",
     "serverless-plugin-datadog": "^5.95.0",
-    "serverless-step-functions": "^3.23.0",
+    "serverless-step-functions": "^3.23.3",
     "source-map-support": "^0.5.21",
     "sst": "^2.45.1",
     "ts-jest": "^29.4.1",