deps: bump strum_macros from 0.25.2 to 0.26.4

Bumps [strum_macros](https://github.com/Peternator7/strum) from 0.25.2 to 0.26.4.
- [Release notes](https://github.com/Peternator7/strum/releases)
- [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]>

Author: dependabot[bot]

Cargo.lock

@@ -23,4 +23,4 @@ regex = "1.10"
 lazy_static = "1.1"
 derive-new = "0.5"
 petgraph = { version = ">=0.5, <0.7", optional = true }
-strum_macros = ">=0.20, <0.26"
+strum_macros = ">=0.20, <0.27"