Bump spring.boot.version from 2.7.18 to 3.4.3

Bumps `spring.boot.version` from 2.7.18 to 3.4.3.

Updates `org.springframework.boot:spring-boot-configuration-processor` from 2.7.18 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.4.3)

Updates `org.springframework.boot:spring-boot-starter-validation` from 2.7.18 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.4.3)

Updates `org.springframework.boot:spring-boot-starter-web` from 2.7.18 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.4.3)

Updates `org.springframework.boot:spring-boot-starter-websocket` from 2.7.18 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.4.3)

Updates `org.springframework.boot:spring-boot-devtools` from 2.7.18 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.4.3)

Updates `org.springframework.boot:spring-boot-starter-test` from 2.7.18 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.4.3)

Updates `org.springframework.boot:spring-boot-maven-plugin` from 2.7.18 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.18...v3.4.3)

Updates `org.springframework.boot:spring-boot-starter` from 3.2.2 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.2...v3.4.3)

Updates `org.springframework.boot:spring-boot-starter-log4j2` from 3.2.2 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.2...v3.4.3)

Updates `org.springframework.boot:spring-boot-starter-json` from 3.2.2 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.2...v3.4.3)

Updates `org.springframework.boot:spring-boot-starter-webflux` from 3.2.2 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.2...v3.4.3)

---
updated-dependencies:
- 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-starter-validation
  dependency-type: direct:production
  update-type: version-update:semver-major
- 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-starter-websocket
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.springframework.boot:spring-boot-devtools
  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
- dependency-name: org.springframework.boot:spring-boot-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.springframework.boot:spring-boot-starter
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.springframework.boot:spring-boot-starter-log4j2
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.springframework.boot:spring-boot-starter-json
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.springframework.boot:spring-boot-starter-webflux
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -40,8 +40,8 @@
         <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>
-        <springboot3.version>3.2.2</springboot3.version>
+        <springboot2.version>3.4.3</springboot2.version>
+        <springboot3.version>3.4.3</springboot3.version>
         <springdata2021.version>2021.2.18</springdata2021.version>
         <springdata2023.version>2023.1.0</springdata2023.version>
         <arrow.version>17.0.0</arrow.version>