stack/slapos.cfg: lxml version up 4.9.1->5.2.1

only for python3

stack/slapos.cfg

@@ -229,7 +229,7 @@ jupyterlab-pygments = 0.1.2
 lock-file = 2.0
 lockfile = 0.12.2:whl
 lsprotocol = 2023.0.0b1:whl
-lxml = 4.9.1
+lxml = 5.2.1
 manuel = 1.11.2
 MarkupSafe = 2.1.3
 matplotlib = 2.1.2
@@ -392,6 +392,7 @@ importlib-metadata = 1.7.0:whl
 itsdangerous = 0.24
 Jinja2 = 2.11.3
 jsonschema = 3.0.2:whl
+lxml = 4.9.1
 MarkupSafe = 1.0
 msgpack = 0.6.2
 packaging = 16.8