cargo: bump the cargo-dependencies group with 1 update

Bumps the cargo-dependencies group with 1 update: [indexmap](https://github.com/bluss/indexmap).

- [Changelog](https://github.com/bluss/indexmap/blob/master/RELEASES.md)
- [Commits](https://github.com/bluss/indexmap/compare/2.0.2...2.1.0)

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

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

Cargo.lock

@@ -908,9 +908,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.0.2"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8adf3ddd720272c6ea8bf59463c04e0f93d0bbf7c5439b691bca2987e0270897"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
 dependencies = [
  "equivalent",
  "hashbrown",

Cargo.toml

@@ -45,7 +45,7 @@ glob = "0.3.1"
 git2 = "0.17.2"
 hex = "0.4.3"
 itertools = "0.11.0"
-indexmap = "2.0.2"
+indexmap = "2.1.0"
 libc = { version = "0.2.149" }
 insta = { version = "1.34.0", features = ["filters"] }
 maplit = "1.0.2"