pre-commit: autoupdate hook versions (#100)

* pre-commit: autoupdate hook versions

* update the environment

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Keewis <[email protected]>

Author: github-actions[bot]

.pre-commit-config.yaml

@@ -14,14 +14,14 @@ repos:
       - id: isort
   # https://github.com/python/black#version-control-integration
   - repo: https://github.com/python/black
-    rev: 21.4b2
+    rev: 21.5b0
     hooks:
       - id: black
   - repo: https://github.com/keewis/blackdoc
     rev: v0.3.3
     hooks:
       - id: blackdoc
   - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.9.1
+    rev: 3.9.2
     hooks:
       - id: flake8

docs/requirements.txt

@@ -1,7 +1,8 @@
 pint>=0.14
 xarray>=0.16.0
+pooch
 netCDF4
-sphinx>=3.2
+sphinx<4
 sphinx_rtd_theme
 ipython
 ipykernel