Bump @sap/xssec in /ams-cap-nodejs-bookshop in the minor-patch group (#77)

Bumps the minor-patch group in /ams-cap-nodejs-bookshop with 1 update: @sap/xssec.


Updates `@sap/xssec` from 4.12.2 to 4.13.0

---
updated-dependencies:
- dependency-name: "@sap/xssec"
  dependency-version: 4.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-patch
...

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Author: dependabot[bot]