Bump junitVersion from 5.10.2 to 5.10.3 (#469)

Bumps `junitVersion` from 5.10.2 to 5.10.3.

Updates `org.junit.jupiter:junit-jupiter-api` from 5.10.2 to 5.10.3
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.10.2...r5.10.3)

Updates `org.junit.jupiter:junit-jupiter-params` from 5.10.2 to 5.10.3
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.10.2...r5.10.3)

Updates `org.junit.jupiter:junit-jupiter-engine` from 5.10.2 to 5.10.3
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.10.2...r5.10.3)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Andy Coates <8012398+big-andy-coates@users.noreply.github.com>

build.gradle.kts

@@ -56,7 +56,7 @@ subprojects {
         set("slf4jVersion", "2.0.13")           // https://mvnrepository.com/artifact/org.slf4j/slf4j-api
 
         set("guavaVersion", "33.2.1-jre")         // https://mvnrepository.com/artifact/com.google.guava/guava
-        set("junitVersion", "5.10.2")            // https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api
+        set("junitVersion", "5.10.3")            // https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api
         set("junitPioneerVersion", "2.2.0")     // https://mvnrepository.com/artifact/org.junit-pioneer/junit-pioneer
         set("mockitoVersion", "5.12.0")          // https://mvnrepository.com/artifact/org.mockito/mockito-junit-jupiter
     }