Upgrade to JUnit 5.9.1

Closes gh-29179

build.gradle

@@ -131,9 +131,9 @@ configure([rootProject] + javaProjects) { project ->
 			// TODO Uncomment link to JUnit 5 docs once we have sorted out
 			// the following warning in the build.
 			//
-			// warning: The code being documented uses packages in the unnamed module, but the packages defined in https://junit.org/junit5/docs/5.9.0/api/ are in named modules.
+			// warning: The code being documented uses packages in the unnamed module, but the packages defined in https://junit.org/junit5/docs/5.9.1/api/ are in named modules.
 			//
-			// "https://junit.org/junit5/docs/5.9.0/api/",
+			// "https://junit.org/junit5/docs/5.9.1/api/",
 			"https://www.reactive-streams.org/reactive-streams-1.0.3-javadoc/",
 			"https://javadoc.io/static/io.rsocket/rsocket-core/1.1.1/",
 			"https://r2dbc.io/spec/1.0.0.RELEASE/api/",

framework-platform/framework-platform.gradle

@@ -18,7 +18,7 @@ dependencies {
 	api(platform("org.eclipse.jetty:jetty-bom:11.0.11"))
 	api(platform("org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.6.4"))
 	api(platform("org.jetbrains.kotlinx:kotlinx-serialization-bom:1.4.0"))
-	api(platform("org.junit:junit-bom:5.9.0"))
+	api(platform("org.junit:junit-bom:5.9.1"))
 	api(platform("org.mockito:mockito-bom:4.8.0"))
 
 	constraints {