Bump spring-boot.version from 3.4.2 to 3.4.3

Bumps `spring-boot.version` from 3.4.2 to 3.4.3.

Updates `org.springframework.boot:spring-boot-starter-parent` from 3.4.2 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.4.2...v3.4.3)

Updates `org.springframework.boot:spring-boot-maven-plugin` from 3.4.2 to 3.4.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.4.2...v3.4.3)

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

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

Author: dependabot[bot]

pom.xml

@@ -127,7 +127,7 @@
     <!-- Run Docker build by default -->
     <skipDocker>false</skipDocker>
     <sortpom-maven-plugin.version>4.0.0</sortpom-maven-plugin.version>
-    <spring-boot.version>3.4.2</spring-boot.version>
+    <spring-boot.version>3.4.3</spring-boot.version>
     <testcontainers.version>1.20.5</testcontainers.version>
     <testng.version>7.11.0</testng.version>
     <xmlunit-assertj3.version>2.10.0</xmlunit-assertj3.version>