update to latest indexmap

Author: pierwill

chalk-integration/Cargo.toml

@@ -20,4 +20,4 @@ chalk-solve = { version = "0.76.0-dev.0", path = "../chalk-solve" }
 chalk-recursive = { version = "0.76.0-dev.0", path = "../chalk-recursive" }
 chalk-engine = { version = "0.76.0-dev.0", path = "../chalk-engine" }
 chalk-parse = { version = "0.76.0-dev.0", path = "../chalk-parse" }
-indexmap = "1.6.2"
+indexmap = "1.7.0"

chalk-solve/Cargo.toml

@@ -20,7 +20,7 @@ rustc-hash = { version = "1.1.0" }
 
 chalk-derive = { version = "0.76.0-dev.0", path = "../chalk-derive" }
 chalk-ir = { version = "0.76.0-dev.0", path = "../chalk-ir" }
-indexmap = "1.6.2"
+indexmap = "1.7.0"
 
 [dev-dependencies]
 chalk-integration = { path = "../chalk-integration" }