build: bump indexmap from 2.9.0 to 2.11.0

Bumps [indexmap](https://github.com/indexmap-rs/indexmap) from 2.9.0 to 2.11.0.
- [Changelog](https://github.com/indexmap-rs/indexmap/blob/main/RELEASES.md)
- [Commits](indexmap-rs/indexmap@2.9.0...2.11.0)

---
updated-dependencies:
- dependency-name: indexmap
  dependency-version: 2.11.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -71,7 +71,7 @@ git-branchless-test = { version = "0.10.0", path = "git-branchless-test" }
 git-branchless-undo = { version = "0.10.0", path = "git-branchless-undo" }
 git2 = { version = "0.20.0", default-features = false }
 glob = "0.3.2"
-indexmap = "2.9.0"
+indexmap = "2.11.0"
 indicatif = { version = "0.17.11", features = ["improved_unicode"] }
 itertools = "0.14.0"
 lalrpop = "0.19.12"