Add requires_internet mark to additional tests

[musicinmybrain]

In an offline build environment, all of the following tests fail with something like:

E       AssertionError: Creating environment: foo.9000
E         Syncing dependencies
E         
E       assert 1 == 0
E        +  where 1 = <Result SystemExit(1)>.exit_code

/builddir/build/BUILD/hatch-hatch-v1.0.0rc16/tests/cli/env/test_remove.py:181: AssertionError
----------------------------- Captured stderr call -----------------------------
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f629447d990>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/pytest/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f629447c640>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/pytest/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f629447c850>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/pytest/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f629447ffd0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/pytest/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f629447ded0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/pytest/
ERROR: Could not find a version that satisfies the requirement pytest (from versions: none)
ERROR: No matching distribution found for pytest

which implies that these tests need to install wheels from PyPI.

FAILED tests/cli/env/test_create.py::test_post_install_commands - AssertionEr...
FAILED tests/cli/env/test_create.py::test_features - AssertionError: Creating...
FAILED tests/cli/env/test_create.py::test_post_install_commands_error - asser...
FAILED tests/cli/env/test_create.py::test_sync_dependencies - AssertionError:...
FAILED tests/cli/env/test_create.py::test_install_project_no_dev_mode - Asser...
FAILED tests/cli/env/test_create.py::test_install_project_default_dev_mode - ...
FAILED tests/cli/env/test_create.py::test_pre_install_commands - AssertionErr...
FAILED tests/cli/run/test_run.py::test_sync_dependencies - AssertionError: Sy...
FAILED tests/cli/run/test_run.py::test_scripts_no_environment - AssertionErro...
FAILED tests/cli/env/test_prune.py::test_all - AssertionError: Creating envir...
FAILED tests/cli/build/test_build.py::test_shipped - AssertionError: Setting ...
FAILED tests/cli/build/test_build.py::test_build_dependencies - AssertionErro...
FAILED tests/cli/env/test_remove.py::test_active_override - AssertionError: C...
FAILED tests/cli/env/test_remove.py::test_all - AssertionError: Creating envi...
FAILED tests/cli/env/test_remove.py::test_single - AssertionError: Creating e...
FAILED tests/cli/env/test_remove.py::test_matrix_all - AssertionError: Creati...

Add the @pytest.mark.requires_internet decorator, previously used only for tests/cli/new/test_new.py::test_default_no_license_cache, to these tests.

#120 (comment)

[ofek]

Thanks!