Bump springBootVersion from 2.7.18 to 3.3.4

Bumps `springBootVersion` from 2.7.18 to 3.3.4.

Updates `org.springframework.boot:spring-boot-dependencies` from 2.7.18 to 3.3.4
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.3.4)

Updates `org.springframework.boot:spring-boot-autoconfigure-processor` from 2.7.18 to 3.3.4
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.3.4)

Updates `org.springframework.boot:spring-boot-configuration-processor` from 2.7.18 to 3.3.4
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.3.4)

Updates `org.springframework.boot:spring-boot-autoconfigure` from 2.7.18 to 3.3.4
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.3.4)

Updates `org.springframework.boot:spring-boot-starter-jdbc` from 2.7.18 to 3.3.4
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.3.4)

Updates `org.springframework.boot:spring-boot-starter-test` from 2.7.18 to 3.3.4
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.3.4)

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

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

build.gradle

@@ -15,7 +15,7 @@ ext {
         mybatisSpringVersion = '2.1.2',
         mybatisSpringBootStarterVersion = '2.3.2',
         springVersion = '5.3.39',
-        springBootVersion = '2.7.18',
+        springBootVersion = '3.3.4',
         springBoot3Version = '3.3.3',
         springCloudVersion = '3.1.8',
         jsqlparserVersion = '5.0',