[conf] Defining user_toolchain as list (conan-io#10729)

* Defining user_toolchains as list

* Simplified coded, added a couple of asserts

Limit markupsafe<2.1 (conan-io#10616)

* markupsafe<2.1

* conan 1.43.4

conan 2.0.0-alpha4 release

update requirements (conan-io#10490)

Conan 2.0.0-alpha3

CMakeDeps and cmake_build_modules property from components (conan-io#…

…10326)

* Tests

* Aggregate components keep the properties from the root

* Update conans/test/functional/toolchains/cmake/cmakedeps/test_cmakedeps_build_modules.py

Co-authored-by: Carlos Zoido <[email protected]>

Co-authored-by: Carlos Zoido <[email protected]>

Make pkg_config generator listen to root cpp_info properties (conan-i…

…o#10312) (conan-io#10323)

* test root cpp_info

* do not enter legacy logic if properties

* review

conan 1.44.0

fix .set_property(generator) tests

conan 1.43.1