fix(deps): update spring boot to v3.3.4

Author: renovate[bot]

build.gradle

@@ -20,7 +20,7 @@ buildscript {
         protobufGradlePluginVersion = '0.9.4'
 
         // https://github.com/spring-projects/spring-boot/releases
-        springBootVersion = '3.2.5'
+        springBootVersion = '3.3.4'
         // https://github.com/spring-cloud/spring-cloud-release/releases
         springCloudVersion = '2023.0.1'
         // https://github.com/alibaba/spring-cloud-alibaba/releases