chore: bump Spring Boot from 2.7.5 to 2.7.18 (#3496)

* chore: bump Spring Boot from 2.7.5 to 2.7.18

This update patches at least 13 vulnerabilities according to Maven Central [1].

Additionally, this is the final open-source, vendor-supported version in the Spring Boot 2 release line.

[1] https://mvnrepository.com/artifact/org.springframework.boot/spring-boot
[2] https://spring.io/blog/2023/11/23/spring-boot-2-7-18-available-now#end-of-open-source-support-for-spring-boot-2x

* fix changelog

* add link to changelog entry

---------

Co-authored-by: Alexander Dinauer <adinauer@users.noreply.github.com>
Co-authored-by: Alexander Dinauer <alexander.dinauer@sentry.io>

Author: codespearhead

CHANGELOG.md

@@ -16,6 +16,7 @@
 - Bump Native SDK from v0.8.1 to v0.8.2 ([#4267](https://github.com/getsentry/sentry-java/pull/4267))
   - [changelog](https://github.com/getsentry/sentry-native/blob/master/CHANGELOG.md#082)
   - [diff](https://github.com/getsentry/sentry-native/compare/0.8.1...0.8.2)
+- Bump Spring Boot from 2.7.5 to 2.7.18 ([#3496](https://github.com/getsentry/sentry-java/pull/3496))
 
 ## 8.5.0
 

buildSrc/src/main/java/Config.kt

@@ -6,7 +6,7 @@ object Config {
     val kotlinVersion = "1.9.24"
     val kotlinStdLib = "stdlib-jdk8"
 
-    val springBootVersion = "2.7.5"
+    val springBootVersion = "2.7.18"
     val springBoot3Version = "3.4.2"
     val kotlinCompatibleLanguageVersion = "1.6"