Bump springBootVersion from 3.1.0 to 3.1.2 (#219)

Bumps `springBootVersion` from 3.1.0 to 3.1.2.

Updates `org.springframework.boot:spring-boot-dependencies` from 3.1.0 to 3.1.2
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.1.0...v3.1.2)

Updates `org.springframework.boot:spring-boot-starter-test` from 3.1.0 to 3.1.2
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.1.0...v3.1.2)

Updates `org.springframework.boot:spring-boot-starter-data-redis` from 3.1.0 to 3.1.2
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.1.0...v3.1.2)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -1,7 +1,7 @@
 buildscript {
     ext {
         jmockitVersion = "1.49"
-        springBootVersion = "3.1.0"
+        springBootVersion = "3.1.2"
     }
 }