chore(deps): update spring core to v5

Author: renovate-bot

graphql-java-servlet/build.gradle

@@ -37,7 +37,7 @@ dependencies {
     testRuntimeOnly "cglib:cglib-nodep:3.2.4"
     testRuntimeOnly "org.objenesis:objenesis:2.6"
     testImplementation "org.slf4j:slf4j-simple:$LIB_SLF4J_VER"
-    testImplementation 'org.springframework:spring-test:4.3.7.RELEASE'
-    testRuntimeOnly 'org.springframework:spring-web:4.3.7.RELEASE'
+    testImplementation 'org.springframework:spring-test:5.3.6'
+    testRuntimeOnly 'org.springframework:spring-web:5.3.6'
     testImplementation 'com.google.guava:guava:30.1.1-jre'
 }