Address PR Comments

Author: jecsand838

arrow-avro/Cargo.toml

@@ -56,6 +56,7 @@ bzip2 = { version = "0.6.0", optional = true }
 xz = { version = "0.1", default-features = false, optional = true }
 crc = { version = "3.0", optional = true }
 uuid = "1.17"
+indexmap = "2"
 
 [dev-dependencies]
 arrow-data = { workspace = true }