build(deps): bump indexmap from 2.5.0 to 2.6.0

Bumps [indexmap](https://github.com/indexmap-rs/indexmap) from 2.5.0 to 2.6.0.
- [Changelog](https://github.com/indexmap-rs/indexmap/blob/master/RELEASES.md)
- [Commits](indexmap-rs/indexmap@2.5.0...2.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -49,7 +49,7 @@ httpdate = "1"
 headers = "0.4"
 attohttpc = { version = "0.28", default-features = false, features = ["json", "compress", "tls-rustls-native-roots"] }
 chain-map = "0.1.0"
-indexmap = "2.5.0"
+indexmap = "2.6.0"
 retry = "2"
 fs2 = "0.4.3"
 which = "6.0.3"