Bump junit5.version from 5.11.4 to 5.12.1 (#146)

* Bump junit5.version from 5.11.4 to 5.12.1

Bumps `junit5.version` from 5.11.4 to 5.12.1.

Updates `org.junit.vintage:junit-vintage-engine` from 5.11.4 to 5.12.1
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.11.4...r5.12.1)

Updates `org.junit.jupiter:junit-jupiter-engine` from 5.11.4 to 5.12.1
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.11.4...r5.12.1)

---
updated-dependencies:
- dependency-name: org.junit.vintage:junit-vintage-engine
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Overwrite junit-platform-launcher version

---------

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

Author: dependabot[bot]

pom.xml

@@ -65,7 +65,8 @@
         <pmd.langtest.version>7.12.0</pmd.langtest.version>
         <kotlin.version>2.0.21</kotlin.version>
         <kotest.version>5.9.1</kotest.version>
-        <junit5.version>5.11.4</junit5.version>
+        <junit5.version>5.12.1</junit5.version>
+        <junit5.platform.version>1.12.1</junit5.platform.version>
 
         <!-- Those have different values based on the profile -->
         <openjfx.scope>provided</openjfx.scope>
@@ -532,6 +533,13 @@
 
     <dependencyManagement>
         <dependencies>
+            <dependency>
+                <groupId>org.junit</groupId>
+                <artifactId>junit-bom</artifactId>
+                <version>${junit5.version}</version>
+                <scope>import</scope>
+            </dependency>
+
             <!-- ensure kotlin version, since version from pmd-lang-test (pmd.core.version) might be older -->
             <dependency>
                 <groupId>org.jetbrains.kotlin</groupId>
@@ -784,6 +792,17 @@
             <scope>test</scope>
         </dependency>
 
+        <!--
+          explicitly overwrite junit-platform-launcher, as
+          kotest might bring a different version.
+        -->
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-launcher</artifactId>
+            <version>${junit5.platform.version}</version>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <!-- Contains stuff like FunSpec, etc -->
             <groupId>io.kotest</groupId>