Bump version to 0.54.1 in `gradle.properties` (#2249)

Co-authored-by: Julian Antonielli <jjantdev@amazon.co.uk>
Co-authored-by: AWS SDK Rust Bot <97246200+aws-sdk-rust-ci@users.noreply.github.com>

gradle.properties

@@ -9,7 +9,7 @@ rust.msrv=1.62.1
 org.gradle.jvmargs=-Xmx1024M
 
 # Version number to use for the generated runtime crates
-smithy.rs.runtime.crate.version=0.54.0
+smithy.rs.runtime.crate.version=0.54.1
 
 kotlin.code.style=official