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

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

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

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

Author: dependabot[bot]

build.gradle.kts

@@ -28,7 +28,7 @@ dependencies {
     implementation("com.fasterxml.jackson.core:jackson-core:2.18.3")
     implementation("com.fasterxml.jackson.dataformat:jackson-dataformat-toml:2.18.3")
 
-    testImplementation("org.junit.jupiter:junit-jupiter:5.11.4")
+    testImplementation("org.junit.jupiter:junit-jupiter:5.12.1")
     testImplementation("com.github.seeseemelk:MockBukkit-v1.17:1.13.0")
 }