do not java 7:

Signed-off-by: Olivier Lamy <olamy@apache.org>

Jenkinsfile

diff --git a/Jenkinsfile b/Jenkinsfile
index 4d411db..3e50b71 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -21,10 +21,10 @@
 
 def buildOs = 'linux'
 def buildJdk = '8'
-def buildMvn = '3.6.0'
+def buildMvn = '3.8.4'
 def runITsOses = ['linux', 'windows']
-def runITsJdks = ['7', '8', '11','17']
-def runITsMvn = '3.6.0'
+def runITsJdks = ['8', '11','17']
+def runITsMvn = '3.8.4'
 def runITscommand = "mvn clean install -Prun-its,embedded -B -U -V" // -DmavenDistro=... -Dmaven.test.failure.ignore=true
 def tests