Update dependency org.junit:junit-bom to v6.0.3

Author: renovate[bot]

gradle/libs.versions.toml

@@ -11,7 +11,7 @@ slf4j = "2.0.17"
 [libraries]
 icmp_common = { module = "com.jasonernst.icmp:icmp_common", version.ref = "icmp" }
 junit-jupiter-api = { module = "org.junit.jupiter:junit-jupiter-api" }
-junit-bom = { module = "org.junit:junit-bom", version="6.0.2" }
+junit-bom = { module = "org.junit:junit-bom", version="6.0.3" }
 junit-jupiter-engine = { module = "org.junit.jupiter:junit-jupiter-engine" }
 junit-jupiter-platform-launcher = { module = "org.junit.platform:junit-platform-launcher" }
 logback-classic = { module = "ch.qos.logback:logback-classic", version.ref = "logback-classic" }