Bump the development-dependencies group with 3 updates (#10461)

Bumps the development-dependencies group with 3 updates: [org.hibernate.orm:hibernate-core](https://github.com/hibernate/hibernate-orm), [com.icegreen:greenmail](https://github.com/greenmail-mail-test/greenmail) and [io.spring.nullability](https://github.com/spring-gradle-plugins/nullability-plugin).


Updates `org.hibernate.orm:hibernate-core` from 7.1.1.Final to 7.1.2.Final
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/7.1.2/changelog.txt)
- [Commits](hibernate/hibernate-orm@7.1.1...7.1.2)

Updates `com.icegreen:greenmail` from 2.1.5 to 2.1.6
- [Release notes](https://github.com/greenmail-mail-test/greenmail/releases)
- [Commits](greenmail-mail-test/greenmail@release-2.1.5...release-2.1.6)

Updates `io.spring.nullability` from 0.0.4 to 0.0.5
- [Release notes](https://github.com/spring-gradle-plugins/nullability-plugin/releases)
- [Commits](spring-gradle-plugins/nullability-plugin@v0.0.4...v0.0.5)

---
updated-dependencies:
- dependency-name: org.hibernate.orm:hibernate-core
  dependency-version: 7.1.2.Final
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: com.icegreen:greenmail
  dependency-version: 2.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: io.spring.nullability
  dependency-version: 0.0.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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

Author: dependabot[bot]

build.gradle

@@ -23,7 +23,7 @@ plugins {
     id 'io.spring.antora.generate-antora-yml' version '0.0.1'
     id 'com.google.protobuf' version '0.9.5' apply false
     id 'io.freefair.aggregate-javadoc' version '8.14.2'
-    id 'io.spring.nullability' version '0.0.4' apply false
+    id 'io.spring.nullability' version '0.0.5' apply false
 }
 
 if (isCI) {
@@ -61,11 +61,11 @@ ext {
     derbyVersion = '10.16.1.1'
     ftpServerVersion = '1.2.1'
     graalvmVersion = '24.2.2'
-    greenmailVersion = '2.1.5'
+    greenmailVersion = '2.1.6'
     groovyVersion = '5.0.1'
     hamcrestVersion = '3.0'
     hazelcastVersion = '5.5.0'
-    hibernateVersion = '7.1.1.Final'
+    hibernateVersion = '7.1.2.Final'
     hsqldbVersion = '2.7.4'
     h2Version = '2.3.232'
     jacksonVersion = '2.20.0'