Run integration tests with DSE 6.9.0

patch by Lukasz Antoniak; reviewed by Bret McGuire
reference: https://github.com/apache/cassandra-java-driver/pull/1955
diff --git a/Jenkinsfile b/Jenkinsfile
index 4f1ef95..4cc20d7 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -268,6 +268,7 @@
                 'dse-6.0.18',   // Previous DataStax Enterprise
                 'dse-6.7.17',   // Previous DataStax Enterprise
                 'dse-6.8.30',   // Current DataStax Enterprise
+                'dse-6.9.0',    // Current DataStax Enterprise
                 'ALL'],
       description: '''Apache Cassandra&reg; and DataStax Enterprise server version to use for adhoc <b>BUILD-AND-EXECUTE-TESTS</b> builds
                       <table style="width:100%">
@@ -325,6 +326,10 @@
                           <td><strong>dse-6.8.30</strong></td>
                           <td>DataStax Enterprise v6.8.x</td>
                         </tr>
+                        <tr>
+                          <td><strong>dse-6.9.0</strong></td>
+                          <td>DataStax Enterprise v6.9.x</td>
+                        </tr>
                       </table>''')
     choice(
       name: 'ADHOC_BUILD_AND_EXECUTE_TESTS_JABBA_VERSION',
@@ -416,9 +421,9 @@
       H 2 * * 0 %CI_SCHEDULE=WEEKENDS;CI_SCHEDULE_SERVER_VERSIONS=2.1 3.0 4.0 dse-4.8.16 dse-5.0.15 dse-5.1.35 dse-6.0.18 dse-6.7.17;CI_SCHEDULE_JABBA_VERSION=1.8
       # Every weeknight (Monday - Friday) around 12:00 PM noon
       ### JDK11 tests against 3.11, 4.1, 5.0-beta1 and DSE 6.8
-      H 12 * * 1-5 %CI_SCHEDULE=WEEKNIGHTS;CI_SCHEDULE_SERVER_VERSIONS=3.11 4.1 5.0-beta1 dse-6.8.30;CI_SCHEDULE_JABBA_VERSION=openjdk@1.11
+      H 12 * * 1-5 %CI_SCHEDULE=WEEKNIGHTS;CI_SCHEDULE_SERVER_VERSIONS=3.11 4.1 5.0-beta1 dse-6.8.30 dse-6.9.0;CI_SCHEDULE_JABBA_VERSION=openjdk@1.11
       ### JDK17 tests against 3.11, 4.1, 5.0-beta1 and DSE 6.8
-      H 12 * * 1-5 %CI_SCHEDULE=WEEKNIGHTS;CI_SCHEDULE_SERVER_VERSIONS=3.11 4.1 5.0-beta1 dse-6.8.30;CI_SCHEDULE_JABBA_VERSION=openjdk@1.17
+      H 12 * * 1-5 %CI_SCHEDULE=WEEKNIGHTS;CI_SCHEDULE_SERVER_VERSIONS=3.11 4.1 5.0-beta1 dse-6.8.30 dse-6.9.0;CI_SCHEDULE_JABBA_VERSION=openjdk@1.17
     """ : "")
   }
 
@@ -452,9 +457,10 @@
         axes {
           axis {
             name 'SERVER_VERSION'
-            values '3.11',      // Latest stable Apache CassandraⓇ
-                   '4.1',       // Development Apache CassandraⓇ
-                   'dse-6.8.30' // Current DataStax Enterprise
+            values '3.11',       // Latest stable Apache CassandraⓇ
+                   '4.1',        // Development Apache CassandraⓇ
+                   'dse-6.8.30', // Current DataStax Enterprise
+                   'dse-6.9.0'   // Current DataStax Enterprise
           }
           axis {
             name 'JABBA_VERSION'
@@ -571,7 +577,8 @@
                    'dse-5.1.35',   // Legacy DataStax Enterprise
                    'dse-6.0.18',   // Previous DataStax Enterprise
                    'dse-6.7.17',   // Previous DataStax Enterprise
-                   'dse-6.8.30'    // Current DataStax Enterprise
+                   'dse-6.8.30',   // Current DataStax Enterprise
+                   'dse-6.9.0'     // Current DataStax Enterprise
           }
         }
         when {
diff --git a/core/src/main/java/com/datastax/oss/driver/api/core/Version.java b/core/src/main/java/com/datastax/oss/driver/api/core/Version.java
index 3f12c54..4de006d 100644
--- a/core/src/main/java/com/datastax/oss/driver/api/core/Version.java
+++ b/core/src/main/java/com/datastax/oss/driver/api/core/Version.java
@@ -56,6 +56,7 @@
   @NonNull public static final Version V5_0_0 = Objects.requireNonNull(parse("5.0.0"));
   @NonNull public static final Version V6_7_0 = Objects.requireNonNull(parse("6.7.0"));
   @NonNull public static final Version V6_8_0 = Objects.requireNonNull(parse("6.8.0"));
+  @NonNull public static final Version V6_9_0 = Objects.requireNonNull(parse("6.9.0"));
 
   private final int major;
   private final int minor;
diff --git a/test-infra/src/main/java/com/datastax/oss/driver/api/testinfra/ccm/CcmBridge.java b/test-infra/src/main/java/com/datastax/oss/driver/api/testinfra/ccm/CcmBridge.java
index 995513e..5b0c114 100644
--- a/test-infra/src/main/java/com/datastax/oss/driver/api/testinfra/ccm/CcmBridge.java
+++ b/test-infra/src/main/java/com/datastax/oss/driver/api/testinfra/ccm/CcmBridge.java
@@ -479,7 +479,8 @@
       return Optional.empty();
     }
 
-    if (getDseVersion().get().compareTo(Version.parse("6.8.19")) < 0) {
+    if (getDseVersion().get().compareTo(Version.V6_9_0) >= 0) {
+      // DSE 6.9.0 supports only JVM 11 onwards (also with graph workload)
       return Optional.empty();
     }