Update openjdk version to 19 and yang2swagger version to 2.1.0

Change-Id: I16dc02009cc61f8452f3a0787b288d9c140c4ea8
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/requirements-dist.txt b/requirements-dist.txt
index 8192b48..05bfb57 100644
--- a/requirements-dist.txt
+++ b/requirements-dist.txt
@@ -14,6 +14,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #######################################################################################
+lxml==4.9.3
+    # via pyang
+pyang==2.5.3
+    # via -r requirements-dist.in
 setuptools-version-command==99.9
     # via -r requirements-dist.in
 stdeb==0.10.0