Bump robrichards/xmlseclibs from 3.1.4 to 3.1.5

Bumps [robrichards/xmlseclibs](https://github.com/robrichards/xmlseclibs) from 3.1.4 to 3.1.5.
- [Release notes](https://github.com/robrichards/xmlseclibs/releases)
- [Changelog](https://github.com/robrichards/xmlseclibs/blob/master/CHANGELOG.txt)
- [Commits](robrichards/xmlseclibs@3.1.4...3.1.5)

---
updated-dependencies:
- dependency-name: robrichards/xmlseclibs
  dependency-version: 3.1.5
  dependency-type: direct:production
...

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Author: dependabot[bot]