flake8 line length linting error regression

[tfoote]

I just submited a PR #911 with a small change, and I'm getting tons of linting errors on Macos-latest python 3.10 due to line length.

It appears that the default has changed or the parameters to flake8 have changed so much of the code base is failing at 80 char width.

https://github.com/ros-infrastructure/rosdep/actions/runs/4178200482/jobs/7236711419

>       assert not report.total_errors, \
            'flake8 reported {report.total_errors} errors'.format(**locals())
E       AssertionError: flake8 reported 714 errors
E       assert not 714
E        +  where 714 = <flake8.api.legacy.Report object at 0x1128bdf00>.total_errors

test/test_flake8.py:62: AssertionError
----------------------------- Captured stdout call -----------------------------

714   E501 line too long (86 > 79 characters)
----------------------------- Captured stderr call -----------------------------
/Users/runner/work/rosdep/rosdep/doc/rosdep_doc_utils.py:35:80: E501 line too long (86 > 79 characters)
                [py, '-c', "from rosdep2.main import rosdep_main;rosdep_main(['-h'])"]
                                                                               ^
/Users/runner/work/rosdep/rosdep/doc/rosdep_doc_utils.py:38:80: E501 line too long (93 > 79 characters)
                nodes.literal_block(text=re.sub(escaped_capitalized_usage, '', out.decode()))
                                                                               ^
/Users/runner/work/rosdep/rosdep/doc/rosdep_doc_utils.py:42:80: E501 line too long (97 > 79 characters)
                [py, '-c', "from rosdep2.main import rosdep_main;rosdep_main(['install', '-h'])"]
                                                                               ^
/Users/runner/work/rosdep/rosdep/doc/rosdep_doc_utils.py:45:80: E501 line too long (93 > 79 characters)
                nodes.literal_block(text=re.sub(escaped_capitalized_usage, '', out.decode()))
                                                                               ^
/Users/runner/work/rosdep/rosdep/setup.py:53:80: E501 line too long (98 > 79 characters)
    kwargs['install_requires'] += ['catkin_pkg >= 0.4.0', 'rospkg >= 1.4.0', 'rosdistro >= 0.7.5']
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/__init__.py:49:80: E501 line too long (84 > 79 characters)
# don't let import error take down code as when attempting to compute version number
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/__init__.py:75:80: E501 line too long (120 > 79 characters)
    platform_mods = [alpine, arch, cygwin, debian, gentoo, nix, openembedded, opensuse, osx, redhat, slackware, freebsd]
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/__init__.py:97:80: E501 line too long (85 > 79 characters)
gbpdistro_support.create_default_installer_context = create_default_installer_context
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/ament_packages/resources.py:34:80: E501 line too long (83 > 79 characters)
        resource_path = os.path.join(path, RESOURCE_INDEX_SUBFOLDER, resource_type)
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/ament_packages/search_paths.py:30:80: E501 line too long (94 > 79 characters)
            "Environment variable '{}' is not set or empty".format(AMENT_PREFIX_PATH_ENV_VAR))
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/cache_tools.py:66:80: E501 line too long (85 > 79 characters)
        write_atomic(filepath + PICKLE_CACHE_EXT, pickle.dumps(rosdep_data, 2), True)
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/cache_tools.py:78:80: E501 line too long (115 > 79 characters)
    fd, filepath_tmp = tempfile.mkstemp(prefix=os.path.basename(filepath) + '.tmp.', dir=os.path.dirname(filepath))
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/catkin_packages.py:16:80: E501 line too long (106 > 79 characters)
VALID_DEPENDENCY_TYPES = {'build', 'buildtool', 'build_export', 'buildtool_export', 'exec', 'test', 'doc'}
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/catkin_support.py:34:80: E501 line too long (84 > 79 characters)
from .sources_list import get_sources_list_dir, DataSourceMatcher, SourcesListLoader
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/catkin_support.py:[91](https://github.com/ros-infrastructure/rosdep/actions/runs/4178200482/jobs/7236711419#step:5:92):80: E501 line too long (102 > 79 characters)
    inst_key, rule = d.get_rule_for_platform(os_name, os_version, os_installers, default_os_installer)
                                                                               ^
/Users/runner/work/rosdep/rosdep/src/rosdep2/catkin_support.py:[106](https://github.com/ros-infrastructure/rosdep/actions/runs/4178200482/jobs/7236711419#step:5:107):80: E501 line too long (81 > 79 characters)
        raise ValidationFailed("""rosdep database is not initialized, please run:
\tsudo rosdep init
""")