deps: bumped python3-saml lib

requirements.txt

@@ -174,7 +174,7 b' premailer==3.10.0'
   cachetools==5.3.3
   cssselect==1.2.0
   cssutils==2.6.0
-  lxml==4.9.3
+  lxml==5.3.0
   requests==2.28.2
     certifi==2022.12.7
     charset-normalizer==3.1.0
@@ -243,12 +243,12 b' python-ldap==3.4.3'
 python-memcached==1.59
   six==1.16.0
 python-pam==2.0.2
-python3-saml==1.15.0
+python3-saml==1.16.0
   isodate==0.6.1
     six==1.16.0
-  lxml==4.9.3
-  xmlsec==1.3.13
-    lxml==4.9.3
+  lxml==5.3.0
+  xmlsec==1.3.14
+    lxml==5.3.0
 pyyaml==6.0.1
 redis==5.0.4
   async-timeout==4.0.3