Unpin tox (#1093)

* Unpin tox

* Pass thru fake version

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -62,7 +62,7 @@ jobs:
         run: |
           python -VV
           python -m site
-          python -m pip install --upgrade wheel 'tox<4' tox-gh-actions
+          python -m pip install --upgrade wheel tox tox-gh-actions
 
       - run: python -m tox
 
@@ -134,7 +134,7 @@ jobs:
           # Keep in sync with tox/docs and .readthedocs.yaml.
           python-version: "3.10"
 
-      - run: python -m pip install --upgrade wheel 'tox<4'
+      - run: python -m pip install --upgrade wheel tox
       - run: python -m tox -e docs,changelog
 
   pyright:
@@ -158,7 +158,7 @@ jobs:
         with:
           python-version: ${{env.PYTHON_LATEST}}
 
-      - run: python -m pip install --upgrade wheel 'tox<4'
+      - run: python -m pip install --upgrade wheel tox
       - run: python -m tox -e pyright
 
   install-dev:

tox.ini

@@ -27,6 +27,7 @@ commands =
 [testenv]
 extras = tests
 commands = python -m pytest {posargs:-n auto}
+passenv = SETUPTOOLS_SCM_PRETEND_VERSION
 
 
 [testenv:py3{7,10,11}]