chore(deps): bump @sap/xssec from 4.13.0 to 4.13.1

Bumps @sap/xssec from 4.13.0 to 4.13.1.

---
updated-dependencies:
- dependency-name: "@sap/xssec"
  dependency-version: 4.13.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]