Upgrade SDC 20.2-branch to Java 11

Signed-off-by: vasraz <vasyl.razinkov@est.tech>
Change-Id: I0fc6fdbf2801a93480ff3df8bc5775d722a80503
diff --git a/jjb/onap/sdc/sdc-verify-jobs.yaml b/jjb/onap/sdc/sdc-verify-jobs.yaml
index 12f1357..3969bb5 100644
--- a/jjb/onap/sdc/sdc-verify-jobs.yaml
+++ b/jjb/onap/sdc/sdc-verify-jobs.yaml
@@ -31,7 +31,7 @@
           mvn_params: "-Pfast-build -Djacoco.skip=true -DskipPMD -Dcheckstyle.skip"
       - '20.2':
           branch: '{stream}'
-          jdk-version: java-8
+          jdk-version: java-11
           mvn_params: "-Pfast-build -Djacoco.skip=true -DskipPMD -Dcheckstyle.skip -DskipTests -DskipUICleanup=true -Dmaven.test.skip=true -DskipITs=true"
 
     jobs: