Bump strum_macros from 0.25.3 to 0.26.1 in /lang/rust (#2716)

Bumps [strum_macros](https://github.com/Peternator7/strum) from 0.25.3 to 0.26.1.
- [Changelog](https://github.com/Peternator7/strum/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Peternator7/strum/commits)

---
updated-dependencies:
- dependency-name: strum_macros
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>