Bump org.springframework.boot from 2.7.17 to 3.2.5

Bumps [org.springframework.boot](https://github.com/spring-projects/spring-boot) from 2.7.17 to 3.2.5.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](https://github.com/spring-projects/spring-boot/compare/v2.7.17...v3.2.5)

---
updated-dependencies:
- dependency-name: org.springframework.boot
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

tools/bt/build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version "2.7.17"
+    id 'org.springframework.boot' version "3.2.5"
     id 'java'
     id 'application'
 }

tools/st/build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version "2.7.17"
+    id 'org.springframework.boot' version "3.2.5"
     id 'java'
     id 'application'
 }