update tessera version (#2538)

Signed-off-by: Sally MacFarlane <sally.macfarlane@consensys.net>

container-tests/tests/src/test/java/org/hyperledger/besu/tests/container/ContainerTestBase.java

@@ -45,11 +45,11 @@ public class ContainerTestBase {
   // A docker image can be built using `./gradlew clean distDocker`
   // check the status of local images with `docker images`
   // To use that local image, change besuImage below eg
-  // private final String besuImage = "hyperledger/besu:21.7.0-RC1-SNAPSHOT";
+  //  private final String besuImage = "hyperledger/besu:21.7.0-SNAPSHOT";
   private final String besuImage = System.getProperty("containertest.imagename");
 
   private final String goQuorumVersion = "21.1.0";
-  private final String tesseraVersion = "21.1.1";
+  private final String tesseraVersion = "21.7.0";
 
   protected final String goQuorumTesseraPubKey = "3XGBIf+x8IdVQOVfIsbRnHwTYOJP/Fx84G8gMmy8qDM=";
   protected final String besuTesseraPubKey = "8JJLEAbq6o9m4Kqm++v0Y1n9Z2ryAFtZTyhnxSKWgws=";