Bump indexmap from 1.8.2 to 1.9.0

Bumps [indexmap](https://github.com/bluss/indexmap) from 1.8.2 to 1.9.0.
- [Release notes](https://github.com/bluss/indexmap/releases)
- [Changelog](https://github.com/bluss/indexmap/blob/master/RELEASES.md)
- [Commits](https://github.com/bluss/indexmap/compare/1.8.2...1.9.0)

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

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

Cargo.lock

@@ -897,12 +897,6 @@ version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eabb4a44450da02c90444cf74558da904edde8fb4e9035a9a6a4e15445af0bd7"
 
-[[package]]
-name = "hashbrown"
-version = "0.11.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
-
 [[package]]
 name = "hashbrown"
 version = "0.12.1"
@@ -1026,12 +1020,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.8.2"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6012d540c5baa3589337a98ce73408de9b5a25ec9fc2c6fd6be8f0d39e0ca5a"
+checksum = "6c6392766afd7964e2531940894cffe4bd8d7d17dbc3c1c4857040fd4b33bdb3"
 dependencies = [
  "autocfg",
- "hashbrown 0.11.2",
+ "hashbrown",
  "serde",
 ]
 
@@ -2148,7 +2142,7 @@ dependencies = [
  "curl",
  "derivative",
  "digest",
- "hashbrown 0.12.1",
+ "hashbrown",
  "hex",
  "itertools",
  "lazy_static",

Cargo.toml

@@ -74,7 +74,7 @@ version = "0.15.0"
 version = "4.0.0"
 
 [dependencies.indexmap]
-version = "1.8"
+version = "1.9"
 features = ["serde"]
 
 [dependencies.lazy_static]

leo/package/Cargo.toml

@@ -23,7 +23,7 @@ path = "../errors"
 version = "1.5.3"
 
 [dependencies.indexmap]
-version = "1.8"
+version = "1.9"
 features = ["serde"]
 
 [dependencies.serde]