[roottest] use cmake for io/abstractclasses

[linev]

Build dictionary first using normal rootcling - before rootcint in Makefile was invoked.
Causes warning on some platforms:

/github/home/ROOT-CI/build/roottest/root/io/abstractclass/libAbstractClasses.cxx: In function ‘void ROOT::delete_PureAbstractInterface(void*)’:
  /github/home/ROOT-CI/build/roottest/root/io/abstractclass/libAbstractClasses.cxx:327:7: error: deleting object of abstract class type ‘PureAbstractInterface’ which has non-virtual destructor will cause undefined behavior [-Werror=delete-non-virtual-dtor]
    327 |       delete (static_cast<::PureAbstractInterface*>(p));
        |       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  cc1plus: all warnings being treated as errors
``

Use ROOT files from v3 and v4 to check reading functionality
Also test reading of recently created files

Remove data.root while it is identical with data_v3_05.root

[github-actions]

Test Results

    18 files      18 suites   3d 7h 32m 45s ⏱️
 2 749 tests  2 749 ✅ 0 💤 0 ❌
48 325 runs  48 325 ✅ 0 💤 0 ❌

Results for commit cf53433.

♻️ This comment has been updated with latest results.