feat: Add new gcloud commands, API clients, and third-party libraries across various services.

gcloud auth application-default login/google-cloud-sdk/platform/gsutil/third_party/pyasn1/tox.ini

@@ -0,0 +1,54 @@
+[tox]
+minversion = 3.18.0
+envlist =
+    py38, py39, py310, py311, py312, py313, pypy38, pypy39, pypy310
+    cover, docs, bandit, build
+isolated_build = true
+skip_missing_interpreters = true
+
+[testenv]
+commands =
+    {envpython} -Werror -m unittest discover -s tests
+
+[testenv:cover]
+basepython = python3
+deps =
+    coverage
+commands = coverage erase
+           coverage run --source pyasn1 -m unittest discover {posargs}
+           coverage report --fail-under 80
+
+[testenv:bandit]
+skip_install = true
+deps =
+    bandit
+commands =
+    bandit -r pyasn1 -c .bandit.yml
+
+[testenv:docs]
+allowlist_externals = make
+deps =
+    sphinx
+commands = make -C docs html SPHINXOPTS="-W --keep-going"
+
+[testenv:build]
+skip_install = true
+deps =
+    build
+    twine
+commands =
+    {envpython} -m build
+    {envpython} -m twine check --strict dist/pyasn1*.whl
+    {envpython} -m twine check --strict dist/pyasn1*.tar.gz
+
+[gh-actions]
+python =
+    3.8: py38
+    3.9: py39, docs
+    3.10: py310, cover, build, bandit
+    3.11: py311
+    3.12: py312
+    3.13: py313
+    pypy-3.8: pypy38
+    pypy-3.9: pypy39
+    pypy-3.10: pypy310