Bump org.springframework.boot.version from 3.4.2 to 3.4.3

Bumps `org.springframework.boot.version` from 3.4.2 to 3.4.3.

Updates `org.springframework.boot:spring-boot-dependencies` 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-starter-thymeleaf` 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-dependencies
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.boot:spring-boot-starter-thymeleaf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -83,7 +83,7 @@
         <org.apache.httpcomponents.client.version>5.4.2</org.apache.httpcomponents.client.version>
         <org.bouncycastle.bcpkix-jdk18on.version>1.80</org.bouncycastle.bcpkix-jdk18on.version>
         <org.hdrhistogram.version>2.2.2</org.hdrhistogram.version>
-        <org.springframework.boot.version>3.4.2</org.springframework.boot.version>
+        <org.springframework.boot.version>3.4.3</org.springframework.boot.version>
         <org.yaml.snakeyaml.version>2.4</org.yaml.snakeyaml.version>
         <slf4j.version>2.0.16</slf4j.version>
         <springdoc.openapi-starter-webmvc-ui.version>2.8.5</springdoc.openapi-starter-webmvc-ui.version>