reduce matrix build with less maven core version and the last one (#4)

* reduce matrix build with less maven core version and the last one 3.8.x
diff --git a/vars/asfMavenTlpPlgnBuild.groovy b/vars/asfMavenTlpPlgnBuild.groovy
index 7fc0bd2..72c39a2 100644
--- a/vars/asfMavenTlpPlgnBuild.groovy
+++ b/vars/asfMavenTlpPlgnBuild.groovy
@@ -38,12 +38,12 @@
 	// minimum, LTS, current and next ea
     def jdks = params.containsKey('jdks') ? params.jdks : params.containsKey('jdk') ? params.jdk : ['8','11','17']
     def jdkMin = jdks[0];
-    def mavens = params.containsKey('maven') ? params.maven : ['3.2.x','3.3.x','3.5.x','3.6.x']
+    def mavens = params.containsKey('maven') ? params.maven : ['3.2.x','3.6.x', '3.8.x']
     // def failFast = params.containsKey('failFast') ? params.failFast : true
     // Just temporarily
     def failFast = false;
-    def siteJdks = params.containsKey('siteJdk') ? params.siteJdk : ['8','17']
-    def siteMvn = params.containsKey('siteMvn') ? params.siteMvn : '3.6.x'
+    def siteJdks = params.containsKey('siteJdk') ? params.siteJdk : ['11']
+    def siteMvn = params.containsKey('siteMvn') ? params.siteMvn : '3.8.x'
     def tmpWs = params.containsKey('tmpWs') ? params.tmpWs : false
     
     taskContext['failFast'] = failFast;
diff --git a/vars/asfMavenTlpStdBuild.groovy b/vars/asfMavenTlpStdBuild.groovy
index 0d07b44..a3a41f4 100644
--- a/vars/asfMavenTlpStdBuild.groovy
+++ b/vars/asfMavenTlpStdBuild.groovy
@@ -37,7 +37,7 @@
     def oses = params.containsKey('os') ? params.os : ['linux', 'windows']
     // minimum, LTS, current and next ea
     def jdks = params.containsKey('jdks') ? params.jdks : params.containsKey('jdk') ? params.jdk : ['8','11','17']
-    def maven = params.containsKey('maven') ? params.maven : '3.6.x'
+    def maven = params.containsKey('maven') ? params.maven : '3.8.x'
     def tmpWs = params.containsKey('tmpWs') ? params.tmpWs : false
     // def failFast = params.containsKey('failFast') ? params.failFast : true
     // Just temporarily