Bump indexmap from 1.3.1 to 1.3.2

Bumps [indexmap](https://github.com/bluss/indexmap) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/bluss/indexmap/releases)
- [Commits](https://github.com/bluss/indexmap/compare/1.3.1...1.3.2)

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

Cargo.lock

@@ -605,9 +605,9 @@ checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
 [[package]]
 name = "indexmap"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b54058f0a6ff80b6803da8faf8997cde53872b38f4023728f6830b06cd3c0dc"
+checksum = "076f042c5b7b98f31d205f1249267e12a6518c1481e9dae9764af19b707d2292"
 dependencies = [
  "autocfg 1.0.0",
 ]

zebra-network/Cargo.toml

@@ -15,7 +15,7 @@ chrono = "0.4"
 hex = "0.4"
 # indexmap has rayon support for parallel iteration,
 # which we don't use, so disable it to drop the dependencies.
-indexmap = { version = "1.2", default-features = false }
+indexmap = { version = "1.3", default-features = false }
 pin-project = "0.4"
 proptest = "0.9"
 proptest-derive = "0.1.0"