chore: update to Rust 1.89.0

Author: brianheineman

Cargo.toml

@@ -21,7 +21,7 @@ edition = "2024"
 keywords = ["postgresql", "postgres", "embedded", "database", "server"]
 license = "(Apache-2.0 OR MIT) AND PostgreSQL"
 repository = "https://github.com/theseus-rs/postgresql-embedded"
-rust-version = "1.88.0"
+rust-version = "1.89.0"
 version = "0.19.0"
 
 [workspace.dependencies]