[bot]: Bump version.org.springframework from 5.3.27 to 6.1.2

Bumps `version.org.springframework` from 5.3.27 to 6.1.2.

Updates `org.springframework:spring-context` from 5.3.27 to 6.1.2
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.27...v6.1.2)

Updates `org.springframework:spring-web` from 5.3.27 to 6.1.2
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.27...v6.1.2)

Updates `org.springframework:spring-test` from 5.3.27 to 6.1.2
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.27...v6.1.2)

---
updated-dependencies:
- dependency-name: org.springframework:spring-context
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.springframework:spring-web
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.springframework:spring-test
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

build/optaplanner-build-parent/pom.xml

@@ -56,7 +56,7 @@
     <version.org.jfree.jfreechart>1.5.4</version.org.jfree.jfreechart>
     <version.org.openrewrite.recipe>1.19.3</version.org.openrewrite.recipe>
     <version.org.slf4j>1.7.36</version.org.slf4j><!-- TODO keep in sync with quarkus-bom -->
-    <version.org.springframework>5.3.27</version.org.springframework>
+    <version.org.springframework>6.1.2</version.org.springframework>
     <version.org.springframework.boot>2.7.12</version.org.springframework.boot>
 
     <!-- ************************************************************************ -->