ci: add marker for cffi and pandas for < "3.15". this is temporary until they ship 3.15 wheels.

Author: paultiq

python/requirements-test.txt

@@ -1,7 +1,7 @@
-cffi
+cffi; python_version < "3.15"  # TODO: temporary - reenable when 3.15 wheels ship
 hypothesis
 packaging
-pandas
+pandas; python_version < "3.15"  # TODO: temporary - reenable when 3.15 wheels ship
 pytest
 pytz
 pyuwsgi; sys.platform != 'win32' and python_version < '3.13'

python/requirements-wheel-test.txt

@@ -1,4 +1,4 @@
-cffi
+cffi; python_version < "3.15"  # TODO: temporary - reenable when 3.15 wheels ship
 cython
 hypothesis
 packaging
@@ -18,4 +18,4 @@ numpy~=1.26.0; python_version == "3.12"
 numpy~=2.1.0; python_version == "3.13"
 numpy~=2.3.3; python_version >= "3.14"
 
-pandas
+pandas; python_version < "3.15"  # TODO: temporary - reenable when 3.15 wheels ship