Bump junitVersion from 5.11.4 to 6.0.3

Bumps `junitVersion` from 5.11.4 to 6.0.3.

Updates `org.junit.jupiter:junit-jupiter-api` from 5.11.4 to 6.0.3
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.11.4...r6.0.3)

Updates `org.junit.jupiter:junit-jupiter-params` from 5.11.4 to 6.0.3
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.11.4...r6.0.3)

Updates `org.junit.jupiter:junit-jupiter-engine` from 5.11.4 to 6.0.3
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.11.4...r6.0.3)

---
updated-dependencies:
- dependency-name: org.junit.jupiter:junit-jupiter-api
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.junit.jupiter:junit-jupiter-params
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

build.gradle

@@ -20,7 +20,7 @@ apply from: "${rootProject.projectDir}/codegen.gradle"
 
 ext {
     testcontainersVersion = "2.0.3"
-    junitVersion = "5.11.4"
+    junitVersion = "6.0.3"
 }
 
 java {