chore(tests): suppress ldap3 DeprecationWarning from pyasn1 in pytest

ldap3 2.9.1 (latest) imports deprecated tagMap/typeMap symbols from
pyasn1. The warning is an upstream issue with no fix available. Filter
it in pytest.ini so it doesn't block -W error runs or pollute output.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: 2 people

pytest.ini

@@ -2,3 +2,5 @@
 testpaths = src/tests
 pythonpath = src
 norecursedirs = src/e2e_tests
+filterwarnings =
+    ignore::DeprecationWarning:ldap3