Update junit-framework monorepo to v6.0.3 (#61)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

settings.gradle.kts

@@ -8,7 +8,7 @@ dependencyResolutionManagement {
     versionCatalogs {
         create("libs") {
             version("minestom", "2026.02.09-1.21.11")
-            version("junit", "6.0.2")
+            version("junit", "6.0.3")
 
             library("minestom","net.minestom", "minestom").versionRef("minestom")