ctest: Exit with failure when tests-from-file input is missing

If the options added by

* commit 022f20f663 (ctest: add command line option to run the tests listed
                     in a given file, 2023-11-29, v3.29.0-rc1~66^2~2)
* commit dbacc1d5a8 (ctest: add command line option to exclude tests listed
                     in a given file, 2023-11-30, v3.29.0-rc1~66^2~1)
* commit 701029726f (ctest_test: add options INCLUDE_FROM_FILE and
                     EXCLUDE_FROM_FILE, 2023-12-03, v3.29.0-rc1~66^2)

are given a missing file, fail instead of ignoring it.

Fixes: #25740