Bug 567592: Update to Spring Boot 2.3.8 (maintenance update)

Follow-up-to: 3673090a6647e5bc3e3ddc96a5da2ce636d89c29
Change-Id: Ifd7712f1067a9c6a5d5786bec7197aa29137b7b1
diff --git a/3rdparty/testonlyreq.ids b/3rdparty/testonlyreq.ids
index 2cf3a1f..51f17ef 100644
--- a/3rdparty/testonlyreq.ids
+++ b/3rdparty/testonlyreq.ids
@@ -3,9 +3,9 @@
 maven/mavencentral/org.junit.platform/junit-platform-commons/1.6.2
 maven/mavencentral/org.opentest4j/opentest4j/1.2.0
 
-maven/mavencentral/org.springframework/spring-test/5.2.9.RELEASE
+maven/mavencentral/org.springframework/spring-test/5.2.12.RELEASE
 
-maven/mavencentral/org.springframework.boot/spring-boot-test/2.3.4.RELEASE
-maven/mavencentral/org.springframework.boot/spring-boot-test-autoconfigure/2.3.4.RELEASE
+maven/mavencentral/org.springframework.boot/spring-boot-test/2.3.8.RELEASE
+maven/mavencentral/org.springframework.boot/spring-boot-test-autoconfigure/2.3.8.RELEASE
 
 maven/mavencentral/org.jsoup/jsoup/1.8.3