compression: bump version to 0.1.6 for release (#3934)

Author: ngundotra

account-compression/programs/account-compression/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "spl-account-compression"
-version = "0.1.5"
+version = "0.1.6"
 description = "Solana Program Library Account Compression Program"
 authors = ["Solana Maintainers <[email protected]>"]
 repository = "https://github.com/solana-labs/solana-program-library"