[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 20.8b1 → 21.4b2](psf/black@20.8b1...21.4b2)
- [github.com/PyCQA/isort: 5.7.0 → 5.8.0](PyCQA/isort@5.7.0...5.8.0)
- [github.com/asottile/setup-cfg-fmt: v1.16.0 → v1.17.0](asottile/setup-cfg-fmt@v1.16.0...v1.17.0)
- [github.com/PyCQA/pylint: pylint-2.6.0 → v2.8.2](pylint-dev/pylint@pylint-2.6.0...v2.8.2)
- [github.com/PyCQA/pydocstyle: 5.1.1 → 6.0.0](PyCQA/pydocstyle@5.1.1...6.0.0)

.pre-commit-config.yaml

@@ -1,18 +1,18 @@
 repos:
     - repo: https://github.com/psf/black
-      rev: '20.8b1'
+      rev: '21.4b2'
       hooks:
         - id: black
     - repo: https://github.com/PyCQA/isort
-      rev: '5.7.0'  # Use the revision sha / tag you want to point at
+      rev: '5.8.0'  # Use the revision sha / tag you want to point at
       hooks:
         - id: isort
     - repo: https://github.com/pre-commit/pre-commit-hooks
       rev: 'v3.4.0'
       hooks:
         - id: check-added-large-files
     - repo: https://github.com/asottile/setup-cfg-fmt
-      rev: 'v1.16.0'
+      rev: 'v1.17.0'
       hooks:
         - id: setup-cfg-fmt
     - repo: https://github.com/pre-commit/pre-commit-hooks
@@ -22,15 +22,15 @@ repos:
       - id: check-yaml
         exclude: docs/mkdocs.yml
     - repo: https://github.com/PyCQA/pylint
-      rev: 'pylint-2.6.0'
+      rev: 'v2.8.2'
       hooks:
       - id: pylint
         name: pylint
         entry: pylint mkdocstrings_sourcelink
         pass_filenames: false
         always_run: true
     - repo: https://github.com/PyCQA/pydocstyle
-      rev: '5.1.1'
+      rev: '6.0.0'
       hooks:
         - id: pydocstyle
           name: pydocstyle