build(deps): bump spring-boot.version from 3.3.5 to 3.4.0

Bumps `spring-boot.version` from 3.3.5 to 3.4.0.

Updates `org.springframework.boot:spring-boot-starter-webflux` from 3.3.5 to 3.4.0
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.5...v3.4.0)

Updates `org.springframework.boot:spring-boot-dependencies` from 3.3.5 to 3.4.0
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.5...v3.4.0)

Updates `org.springframework.boot:spring-boot-maven-plugin` from 3.3.5 to 3.4.0
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.5...v3.4.0)

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

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

Author: dependabot[bot]

pom.xml

@@ -14,7 +14,7 @@
     <maven.compiler.source>${java.version}</maven.compiler.source>
     <maven.compiler.target>${java.version}</maven.compiler.target>
     <junit-jupiter.version>5.11.3</junit-jupiter.version>
-    <spring-boot.version>3.3.5</spring-boot.version>
+    <spring-boot.version>3.4.0</spring-boot.version>
     <cucumber.version>7.20.1</cucumber.version>
     <pre-liquibase.version>1.5.1</pre-liquibase.version>
     <snakeyaml.version>2.3</snakeyaml.version>