Bump org.junit:junit-bom from 5.11.4 to 5.12.1

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit5) from 5.11.4 to 5.12.1.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](https://github.com/junit-team/junit5/compare/r5.11.4...r5.12.1)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

tck/pom.xml

diff --git a/tck/pom.xml b/tck/pom.xml
index 8d009cb..e63e1f6 100644
--- a/tck/pom.xml
+++ b/tck/pom.xml
@@ -44,7 +44,7 @@
             <dependency>
                 <groupId>org.junit</groupId>
                 <artifactId>junit-bom</artifactId>
-                <version>5.11.4</version>
+                <version>5.12.1</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>