[#733] Upgrade CockroachDB to 20.2.8

Author: DavideD

hibernate-reactive-core/src/test/java/org/hibernate/reactive/containers/CockroachDBDatabase.java

@@ -16,7 +16,7 @@ class CockroachDBDatabase implements TestableDatabase {
 
 	public static CockroachDBDatabase INSTANCE = new CockroachDBDatabase();
 
-	public final static String IMAGE_NAME = "cockroachdb/cockroach:v20.2.5";
+	public final static String IMAGE_NAME = "cockroachdb/cockroach:v20.2.8";
 
 	/**
 	 * Holds configuration for the CockroachDB database container. If the build is run with <code>-Pdocker</code> then

podman.md

@@ -120,7 +120,7 @@ configured to run the tests:
 ```
 podman run --rm --name=HibernateTestingCockroachDB \
     --hostname=roachrr1 -p 26257:26257 -p 8080:8080 \
-    cockroachdb/cockroach:v20.2.5 start-single-node --insecure
+    cockroachdb/cockroach:v20.2.8 start-single-node --insecure
 ```
 
 Some of tests needs temporary tables and because this is an experimental feature in