Bump org.springframework:spring-context-indexer from 6.0.6 to 6.1.12

Bumps [org.springframework:spring-context-indexer](https://github.com/spring-projects/spring-framework) from 6.0.6 to 6.1.12.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v6.0.6...v6.1.12)

---
updated-dependencies:
- dependency-name: org.springframework:spring-context-indexer
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle

@@ -33,7 +33,7 @@ bootJar {
 
 ext {
     springBootVersion = '2.6.6'
-    springVersion = '6.0.6'
+    springVersion = '6.1.12'
     springOauth2Version = "2.5.1.RELEASE"
     springDocVersion = '2.2.0'
     lombokVersion = '1.18.26'