Bump indexmap from 2.7.0 to 2.7.1 (Qiskit#13692)

Bumps [indexmap](https://github.com/indexmap-rs/indexmap) from 2.7.0 to 2.7.1.
- [Changelog](https://github.com/indexmap-rs/indexmap/blob/master/RELEASES.md)
- [Commits](indexmap-rs/indexmap@2.7.0...2.7.1)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -15,7 +15,7 @@ license = "Apache-2.0"
 # Each crate can add on specific features freely as it inherits.
 [workspace.dependencies]
 bytemuck = "1.21"
-indexmap.version = "2.7.0"
+indexmap.version = "2.7.1"
 hashbrown.version = "0.14.5"
 num-bigint = "0.4"
 num-complex = "0.4"