Bump strum from 0.26.1 to 0.26.2

Bumps [strum](https://github.com/Peternator7/strum) from 0.26.1 to 0.26.2.
- [Release notes](https://github.com/Peternator7/strum/releases)
- [Changelog](https://github.com/Peternator7/strum/blob/master/CHANGELOG.md)
- [Commits](Peternator7/strum@v0.26.1...v0.26.2)

---
updated-dependencies:
- dependency-name: strum
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

northstar-runtime/Cargo.toml

@@ -48,7 +48,7 @@ serde_plain = { version = "1.0.2", optional = true }
 serde_with = { version = "3.0.0", optional = true }
 serde_yaml = { version = "0.9.30", optional = true }
 sha2 = { version = "0.10.8", optional = true }
-strum = { version = "0.26.1", optional = true }
+strum = { version = "0.26.2", optional = true }
 strum_macros = { version = "0.26.1", optional = true }
 tempfile = { version = "3.8.1", optional = true }
 thiserror = "1.0.56"