CI: run entry point tests without deps, run lint without package build steps

tox.ini

@@ -6,24 +6,27 @@ envlist =
   pycodestyle,
   run-entrypoint,
   run-module,
-skipsdist = false
-; Can't set skipsdist and use_develop in tox v4 to true due to https://github.com/tox-dev/tox/issues/2730
 
 [testenv]
-use_develop = true
+package = editable
 commands = pytest --cov=gunicorn {posargs}
 deps =
   -rrequirements_test.txt
 
 [testenv:run-entrypoint]
+package = wheel
+deps =
 # entry point: console script (provided by setuptools from pyproject.toml)
 commands = python -c 'import subprocess; cmd_out = subprocess.check_output(["gunicorn", "--version"])[:79].decode("utf-8", errors="replace"); print(cmd_out); assert cmd_out.startswith("gunicorn ")'
 
 [testenv:run-module]
+package = wheel
+deps =
 # runpy (provided by module.__main__)
 commands = python -c 'import sys,subprocess; cmd_out = subprocess.check_output([sys.executable, "-m", "gunicorn", "--version"])[:79].decode("utf-8", errors="replace"); print(cmd_out); assert cmd_out.startswith("gunicorn ")'
 
 [testenv:lint]
+no_package = true
 commands =
   pylint -j0 \
     --max-line-length=120 \
@@ -44,6 +47,7 @@ deps =
   pylint==2.17.4
 
 [testenv:docs-lint]
+no_package = true
 allowlist_externals =
   rst-lint
   bash
@@ -56,6 +60,7 @@ commands =
   bash -c "(set -o pipefail; rst-lint --encoding utf-8 docs/source/*.rst | grep -v 'Unknown interpreted text role\|Unknown directive type'); test $? == 1"
 
 [testenv:pycodestyle]
+no_package = true
 commands =
   pycodestyle gunicorn
 deps =