Bump spring-boot.version from 2.7.15 to 2.7.17

Bumps `spring-boot.version` from 2.7.15 to 2.7.17.

Updates `org.springframework.boot:spring-boot` from 2.7.15 to 2.7.17
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.15...v2.7.17)

Updates `org.springframework.boot:spring-boot-starter-test` from 2.7.15 to 2.7.17
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.15...v2.7.17)

Updates `org.springframework.boot:spring-boot-dependencies` from 2.7.15 to 2.7.17
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.15...v2.7.17)

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

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

Author: dependabot[bot]

log4j-parent/pom.xml

@@ -139,7 +139,7 @@
     <pax-exam.version>4.13.5</pax-exam.version>
     <plexus-utils.version>3.5.0</plexus-utils.version>
     <slf4j.version>1.7.36</slf4j.version>
-    <spring-boot.version>2.7.15</spring-boot.version>
+    <spring-boot.version>2.7.17</spring-boot.version>
     <spring-framework.version>5.3.29</spring-framework.version>
     <system-stubs.version>2.0.2</system-stubs.version>
     <tomcat-juli.version>10.0.27</tomcat-juli.version>