Upgrade to Junit Jupiter 5.3.0-RC1

Closes gh-14112

Author: snicoll

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -114,7 +114,7 @@
 		<jstl.version>1.2</jstl.version>
 		<jtds.version>1.3.1</jtds.version>
 		<junit.version>4.12</junit.version>
-		<junit-jupiter.version>5.2.0</junit-jupiter.version>
+		<junit-jupiter.version>5.3.0-RC1</junit-jupiter.version>
 		<kafka.version>2.0.0</kafka.version>
 		<kotlin.version>1.2.60</kotlin.version>
 		<lettuce.version>5.1.0.M1</lettuce.version>