Merge pull request #98 from cipherstash/bump-version-to-0.9.0-pre.4

Bump version to 0.9.0 pre.4

Author: auxesis

Cargo.lock

@@ -6,7 +6,7 @@ repository = "https://github.com/cipherstash/cipherstash-dynamodb"
 documentation = "https://docs.rs/cipherstash-dynamodb"
 readme = "README.md"
 description = "CipherStash SDK for searchable, in-use encryption for DynamoDB"
-version = "0.9.0-pre.3"
+version = "0.9.0-pre.4"
 edition = "2021"
 authors = ["CipherStash <info@cipherstash.com>"]
 keywords = ["cryptography", "security", "databases", "encryption", "dynamodb"]