Bump restalchemy in the core-packages group across 1 directory

Bumps the core-packages group with 1 update in the / directory: [restalchemy](https://github.com/infraguys/restalchemy).


Updates `restalchemy` from 15.2.2 to 15.2.6
- [Release notes](https://github.com/infraguys/restalchemy/releases)
- [Commits](infraguys/restalchemy@15.2.2...15.2.6)

---
updated-dependencies:
- dependency-name: restalchemy
  dependency-version: 15.2.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: core-packages
...

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Author: dependabot[bot]