Update spring boot to v2.7.14 (#938)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

build.gradle

@@ -20,7 +20,7 @@ buildscript {
         protobufGradlePluginVersion = '0.9.4'
 
         // https://github.com/spring-projects/spring-boot/releases
-        springBootVersion = '2.7.13'
+        springBootVersion = '2.7.14'
         // https://github.com/spring-cloud/spring-cloud-release/releases
         springCloudVersion = '2021.0.7'
         // https://github.com/alibaba/spring-cloud-alibaba/releases