CTestTargets: Include CMAKE_CTEST_ARGUMENTS in CTEST_TEST_TARGET_ALIAS
Extend the change from commit 4153d8445b (Add CMAKE_CTEST_ARGUMENTS
variable to pass command-line arguments to ctest, 2019-12-28,
v3.17.0-rc1~150^2) to cover the test target alias created by
`CTEST_TEST_TARGET_ALIAS` too.
This should allow:
set(CMAKE_CTEST_ARGUMENTS -T Test --no-compress-output)
set(CTEST_TEST_TARGET_ALIAS runtests)
include(CTest)
to use the arguments as part of `make runtests`.
Fixes: #22239