Update Spring Boot version to 3.3.4 (#59)

Co-authored-by: DanielLiu1123 <62151295+DanielLiu1123@users.noreply.github.com>

Author: github-actions[bot]

gradle.properties

@@ -1,7 +1,7 @@
 group=io.github.danielliu1123
-version=3.3.3-SNAPSHOT
+version=3.3.4-SNAPSHOT
 
-springBootVersion=3.3.3
+springBootVersion=3.3.4
 # https://docs.spring.io/spring-cloud-release/reference/index.html
 # https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-dependencies
 #springCloudVersion=2023.0.3