ZCS-16550: updated backend dependancies

zimbra/osl/zimbra-osl/open_source_licenses.txt

@@ -295,10 +295,12 @@ SECTION 2: Apache License, V2.0
    >>> zkclient-0.1.0
    >>> zookeeper-3.4.5
    >>> gson-2.9.1
+   >>> gson-2.8.2
    >>> json-simple-1.1.1
    >>> [email protected]
    >>> [email protected]
    >>> [email protected]
+   >>> zulip-9.2
 
 
 SECTION 3: Artistic License, V2.0
@@ -2258,6 +2260,10 @@ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+>>> json-20200518
+
+Public Domain. 
+
 
 >>> json-1.0
 
@@ -13170,6 +13176,10 @@ jackson-core-asl-1.9.2.jar
 jackson-mapper-asl-1.9.2.jar
 jackson-jaxrs-1.9.2.jar
 jettison-1.1.jar
+jjwt-0.7.0.jar
+jackson-core-2.10.1.jar
+jackson-annotations-2.10.1.jar
+jackson-databind-2.10.1.jar
 
 This copy of Jackson JSON processor is licensed under the
 Apache (Software) License, version 2.0 ("the License").