Bump spring.boot.version from 2.7.18 to 3.3.2

Bumps `spring.boot.version` from 2.7.18 to 3.3.2.

Updates `org.springframework.boot:spring-boot-starter-web` from 2.7.18 to 3.3.2
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.3.2)

Updates `org.springframework.boot:spring-boot` from 2.7.18 to 3.3.2
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.3.2)

Updates `org.springframework.boot:spring-boot-test` from 2.7.18 to 3.3.2
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.3.2)

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

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

pom.xml

@@ -39,7 +39,7 @@
         <springframework6.version>6.1.3</springframework6.version>
         <springsecurity5.version>5.8.8</springsecurity5.version>
         <springsecurity6.version>6.2.1</springsecurity6.version>
-        <springboot2.version>2.7.18</springboot2.version>
+        <springboot2.version>3.3.2</springboot2.version>
         <springboot3.version>3.2.2</springboot3.version>
         <springdata2021.version>2021.2.18</springdata2021.version>
         <springdata2023.version>2023.1.0</springdata2023.version>