chore(deps): bump springBootVersion from 2.7.8 to 2.7.9

Bumps `springBootVersion` from 2.7.8 to 2.7.9.

Updates `org.springframework.boot:spring-boot-gradle-plugin` from 2.7.8 to 2.7.9
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.8...v2.7.9)

Updates `org.springframework.boot:spring-boot-dependencies` from 2.7.8 to 2.7.9
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.8...v2.7.9)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-gradle-plugin
  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] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -17,7 +17,7 @@
 buildscript {
     ext{
         //Plugins
-        springBootVersion = '2.7.8'
+        springBootVersion = '2.7.9'
         sonarqubeVersion = '4.0.0.2929'
         asciidoctorGradleVersion = "3.3.2"
         artifactoryVersion = '4.31.3'