Bump version.spring-boot from 1.5.22.RELEASE to 3.1.4

Bumps `version.spring-boot` from 1.5.22.RELEASE to 3.1.4.

Updates `org.springframework.boot:spring-boot-starter-test` from 1.5.22.RELEASE to 3.1.4
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v1.5.22.RELEASE...v3.1.4)

Updates `org.springframework.boot:spring-boot-starter-web` from 1.5.22.RELEASE to 3.1.4
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v1.5.22.RELEASE...v3.1.4)

Updates `org.springframework.boot:spring-boot-starter-log4j2` from 1.5.22.RELEASE to 3.1.4
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v1.5.22.RELEASE...v3.1.4)

---
updated-dependencies:
- 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-starter-web
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.springframework.boot:spring-boot-starter-log4j2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

integration-tests/spring-boot-1-5/pom.xml

@@ -13,7 +13,7 @@
     <name>${project.groupId}:${project.artifactId}</name>
 
     <properties>
-        <version.spring-boot-1.5>1.5.22.RELEASE</version.spring-boot-1.5>
+        <version.spring-boot-1.5>3.1.4</version.spring-boot-1.5>
         <apm-agent-parent.base.dir>${project.basedir}/../..</apm-agent-parent.base.dir>
     </properties>