Bumps [github.com/gofiber/helmet/v2](https://github.com/gofiber/helmet) from 2.2.5 to 2.2.6.
- [Release notes](https://github.com/gofiber/helmet/releases)
- [Commits](https://github.com/gofiber/helmet/compare/v2.2.5...v2.2.6

)

---
updated-dependencies:
- dependency-name: github.com/gofiber/helmet/v2
  dependency-type: direct:production
  update-type: version-update:semver-patch
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Bumps [github.com/gofiber/template](https://github.com/gofiber/template) from 1.6.21 to 1.6.22.
- [Release notes](https://github.com/gofiber/template/releases)
- [Commits](https://github.com/gofiber/template/compare/v1.6.21...v1.6.22

)

---
updated-dependencies:
- dependency-name: github.com/gofiber/template
  dependency-type: direct:production
  update-type: version-update:semver-patch
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* Bump github.com/gofiber/fiber/v2 from 2.25.0 to 2.26.0

Bumps [github.com/gofiber/fiber/v2](https://github.com/gofiber/fiber) from 2.25.0 to 2.26.0.
- [Release notes](https://github.com/gofiber/fiber/releases)
- [Commits](https://github.com/gofiber/fiber/compare/v2.25.0...v2.26.0

)

---
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- dependency-name: github.com/gofiber/fiber/v2
  dependency-type: direct:production
  update-type: version-update:semver-minor
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* adapt to fiber changes

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Co-authored-by: zachmann <gabriel.zachmann@kit.edu>

Dev 0.4.0

webinterface: add warning message when creating mytokens with empty restrictions; default to empty restriction.

drop column root_id in db; token revocation could lead to inconsistencies in the data and it was barely used anyway