[pre-commit.ci] pre-commit autoupdate (#72)

<!--pre-commit.ci start-->
updates:
- [github.com/asottile/pyupgrade: v3.4.0 →
v3.14.0](asottile/pyupgrade@v3.4.0...v3.14.0)
- [github.com/psf/black: 23.3.0 →
23.9.1](psf/black@23.3.0...23.9.1)
- [github.com/PyCQA/flake8: 6.0.0 →
6.1.0](PyCQA/flake8@6.0.0...6.1.0)
- [github.com/tox-dev/pyproject-fmt: 0.10.0 →
1.2.0](tox-dev/pyproject-fmt@0.10.0...1.2.0)
- [github.com/abravalheri/validate-pyproject: v0.13 →
v0.14](abravalheri/validate-pyproject@v0.13...v0.14)
- [github.com/tox-dev/tox-ini-fmt: 1.3.0 →
1.3.1](tox-dev/tox-ini-fmt@1.3.0...1.3.1)
<!--pre-commit.ci end-->

.pre-commit-config.yaml

@@ -1,12 +1,12 @@
 repos:
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.4.0
+    rev: v3.14.0
     hooks:
       - id: pyupgrade
         args: [--py38-plus]
 
   - repo: https://github.com/psf/black
-    rev: 23.3.0
+    rev: 23.9.1
     hooks:
       - id: black
         exclude: ^html/
@@ -17,7 +17,7 @@ repos:
       - id: isort
 
   - repo: https://github.com/PyCQA/flake8
-    rev: 6.0.0
+    rev: 6.1.0
     hooks:
       - id: flake8
         additional_dependencies: [flake8-2020, flake8-implicit-str-concat]
@@ -41,17 +41,17 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: 0.10.0
+    rev: 1.2.0
     hooks:
       - id: pyproject-fmt
 
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.13
+    rev: v0.14
     hooks:
       - id: validate-pyproject
 
   - repo: https://github.com/tox-dev/tox-ini-fmt
-    rev: 1.3.0
+    rev: 1.3.1
     hooks:
       - id: tox-ini-fmt
 

pyproject.toml

@@ -19,7 +19,6 @@ requires-python = ">=3.8"
 classifiers = [
   "Intended Audience :: Developers",
   "License :: OSI Approved :: MIT License",
-  "Programming Language :: Python :: 3",
   "Programming Language :: Python :: 3 :: Only",
   "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",