Upgrade to JUnit 5.8.2

Closes gh-27744

build.gradle

@@ -36,7 +36,7 @@ configure(allprojects) { project ->
 			mavenBom "org.jetbrains.kotlin:kotlin-bom:1.5.31"
 			mavenBom "org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.5.2"
 			mavenBom "org.jetbrains.kotlinx:kotlinx-serialization-bom:1.2.2"
-			mavenBom "org.junit:junit-bom:5.8.1"
+			mavenBom "org.junit:junit-bom:5.8.2"
 		}
 		dependencies {
 			dependencySet(group: 'org.apache.logging.log4j', version: '2.14.1') {
@@ -383,9 +383,9 @@ configure([rootProject] + javaProjects) { project ->
 			"https://hc.apache.org/httpcomponents-client-5.1.x/current/httpclient5/apidocs/",
 			"https://projectreactor.io/docs/test/release/api/",
 			"https://junit.org/junit4/javadoc/4.13.2/",
-			// Disabling linking to JUnit 5.8.1, since the `package-list` file no longer exists due to
+			// Disabling linking to JUnit 5.8.2, since the `package-list` file no longer exists due to
 			// https://github.com/junit-team/junit5/commit/67ad4e545518b0ce2b0e7c96df31a669866d5003.
-			// "https://junit.org/junit5/docs/5.8.1/api/",
+			// "https://junit.org/junit5/docs/5.8.2/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/0.8.5.RELEASE/api/"

spring-test/spring-test.gradle

@@ -60,9 +60,6 @@ dependencies {
 	testImplementation("org.hibernate:hibernate-core")
 	testImplementation("org.hibernate:hibernate-validator")
 	testImplementation("javax.validation:validation-api")
-	testImplementation("org.junit.platform:junit-platform-runner") {
-		exclude group: "junit", module: "junit"
-	}
 	testImplementation("org.junit.platform:junit-platform-testkit")
 	testImplementation("com.fasterxml.jackson.core:jackson-databind")
 	testImplementation("com.thoughtworks.xstream:xstream")