Fix changed filename in CMakeLists.txt

PiperOrigin-RevId: 859630737
Change-Id: Icb966fb0762451eaa32dab45515b77973294af03

Author: lanctot

open_spiel/python/CMakeLists.txt

@@ -27,7 +27,7 @@ endif()
 include_directories (../pybind11_abseil ../../pybind11/include)
 set(PYTHON_BINDINGS ${PYTHON_BINDINGS}
   pybind11/algorithms_infostate_tree.cc
-  pybind11/algorithms_infostate_tree.tcc
+  pybind11/algorithms_infostate_tree_templates.h
   pybind11/algorithms_infostate_tree.h
   pybind11/algorithms_corr_dist.cc
   pybind11/algorithms_corr_dist.h