Declare support for Python 3.11, test 3.12-dev, drop EOL 3.6 (#2324)

* Add support for Python 3.11

* Test Python 3.12-dev

* Add colour to CI for readability

* Drop support for EOL Python 3.6

* Test slower Windows first to speed up CI

4 files changed, 19 insertions, 16 deletions

diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 2d26dfb1..f2865b78 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -2,6 +2,9 @@ name: Pygments
 
 on: [push, pull_request]
 
+env:
+  FORCE_COLOR: 1
+
 permissions:
   contents: read # to fetch code (actions/checkout)
 
@@ -10,15 +13,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest]
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
-        exclude:
-          - os: ubuntu-latest
-            python-version: "3.6"
-        include:
-          - os: ubuntu-20.04
-            python-version: "3.6"
-      max-parallel: 4
+        os: [windows-latest, ubuntu-latest]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12-dev"]
 
     steps:
     - uses: actions/checkout@v3
@@ -39,6 +35,8 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
+      with:
+        python-version: "3.x"
     - name: Run make check
       run: make check
     - name: Fail if the basic checks failed
@@ -50,6 +48,8 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
+      with:
+        python-version: "3.x"
     - name: Regenerate mapfiles
       run: make mapfiles
     - name: Fail if mapfiles changed
@@ -65,7 +65,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
       with:
-        python-version: 3.8
+        python-version: "3.x"
     - name: Check out regexlint
       run: git clone https://github.com/pygments/regexlint
     - name: Run regexlint
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 41adf4e2..672beaf3 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -5,6 +5,9 @@ on:
     branches:
       - master
 
+env:
+  FORCE_COLOR: 1
+
 permissions: {}
 jobs:
   build:
@@ -14,11 +17,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Setup Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
-        python-version: "3.10"
+        python-version: "3.x"
     - name: Checkout Pygments
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: Install Sphinx & WCAG contrast ratio
       run: pip install Sphinx wcag-contrast-ratio
     - name: Create Pyodide WASM package
diff --git a/setup.cfg b/setup.cfg
index 21304dc9..748119be 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,11 +19,11 @@ classifiers =
     Operating System :: OS Independent
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: Implementation :: PyPy
     Topic :: Text Processing :: Filters
@@ -38,7 +38,7 @@ project_urls =
 packages = find:
 zip_safe = false
 include_package_data = true
-python_requires = >=3.6
+python_requires = >=3.7
 
 [options.packages.find]
 include =
diff --git a/tox.ini b/tox.ini
index dc0a5be5..0de97559 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{36, 37, 38, 39, 310}, lint
+envlist = py{37, 38, 39, 310, 311, 312}, lint
 
 [testenv]
 deps =