[GR-74979] Disable devtags by default

[graalvmbot]

No description provided.

[github-actions]

@msimacek - CI workflow failed: View workflow
Failed tests:

• graalpython/com.oracle.graal.python.test/src/tests/test_subprocess.py::tests.test_subprocess.TestSubprocess.test_graal_python_args
• graalpython/lib-python/3/test/test_multiprocessing_fork::test.test_multiprocessing_fork.test_misc.TestResourceTracker.test_resource_tracker_sigint
• graalpython/lib-python/3/test/test_datetime.py::test.datetimetester.ZoneInfoTest[America/Tijuana]_Pure.test_system_transitions
• graalpython/lib-python/3/test/test_datetime.py::test.datetimetester.ZoneInfoTest[Europe/Chisinau]_Pure.test_system_transitions
• graalpython/lib-python/3/test/test_datetime.py::test.datetimetester.ZoneInfoTest[America/Tijuana]_Fast.test_system_transitions
• graalpython/lib-python/3/test/test_datetime.py::test.datetimetester.ZoneInfoTest[Europe/Chisinau]_Fast.test_system_transitions
• graalpython/lib-python/3/test/test_cppext::test.test_cppext.TestCPPExt.test_build_cpp11