[dependency] Bump spring-boot.version from 3.2.0 to 3.2.1

Bumps `spring-boot.version` from 3.2.0 to 3.2.1.

Updates `org.springframework.boot:spring-boot-dependencies` from 3.2.0 to 3.2.1
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.0...v3.2.1)

Updates `org.springframework.boot:spring-boot-starter-web` from 3.2.0 to 3.2.1
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.0...v3.2.1)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-dependencies
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.boot:spring-boot-starter-web
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -31,7 +31,7 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
     <!-- dependencies -->
-    <spring-boot.version>3.2.0</spring-boot.version>
+    <spring-boot.version>3.2.1</spring-boot.version>
 
     <!-- language -->
     <java.version>21</java.version>