fix(deps): update spring boot to v3.1.5 (#9722)

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

benchmark-overhead-jmh/build.gradle.kts

@@ -8,7 +8,7 @@ plugins {
 }
 
 dependencies {
-  jmhImplementation("org.springframework.boot:spring-boot-starter-web:3.1.4")
+  jmhImplementation("org.springframework.boot:spring-boot-starter-web:3.1.5")
 }
 
 tasks {

smoke-tests-otel-starter/build.gradle.kts

@@ -1,6 +1,6 @@
 plugins {
   id("otel.java-conventions")
-  id("org.springframework.boot") version "3.1.4"
+  id("org.springframework.boot") version "3.1.5"
   id("org.graalvm.buildtools.native")
 }