Update Spring Boot version to 4.1.0 (#128)

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

Author: github-actions[bot]

gradle.properties

@@ -1,8 +1,8 @@
 group=io.github.danielliu1123
-version=4.1.0-RC1-SNAPSHOT
+version=4.1.0-SNAPSHOT
 
 # https://github.com/spring-projects/spring-boot
-springBootVersion=4.1.0-RC1
+springBootVersion=4.1.0
 # https://docs.spring.io/spring-cloud-release/reference/index.html
 # https://central.sonatype.com/artifact/org.springframework.cloud/spring-cloud-dependencies
 #springCloudVersion=2025.1.0