build: remove end of life Python versions 3.6 and 3.7

.github/workflows/wheels.yml

@@ -16,14 +16,14 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04, windows-2019, macos-11]
-        aarch64_version: ['cp36-*', 'cp37-*', 'cp38-*', 'cp39-*', 'cp310-*']
+        aarch64_version: ['cp38-*', 'cp39-*', 'cp310-*']
     env:
       CIBW_BEFORE_ALL_LINUX: yum install -y swig
       CIBW_BEFORE_ALL_MACOS: brew install gnu-sed swig automake
       CIBW_BEFORE_ALL_WINDOWS: choco install swig --version=3.0.12 --no-progress --allow-downgrade -y
       CIBW_BEFORE_BUILD_WINDOWS: .\tools\msvc\wheel_preamble.bat
       CIBW_REPAIR_WHEEL_COMMAND_LINUX: auditwheel repair --only-plat -w {dest_dir} {wheel}
-      CIBW_SKIP: "cp27-* cp35-* cp38-win32* cp39-win32* pp*"
+      CIBW_SKIP: "cp27-* cp35-* cp36-* cp37-* cp38-win32* cp39-win32* pp*"
       LIBWALLY_DIR: "."
       SWIG_PATH: "C:\\ProgramData\\chocolatey\\lib\\swig\\tools\\install\\swigwin-3.0.12"
 
@@ -33,24 +33,18 @@ jobs:
           submodules: true
 
       - name: Install MSVC
-        if: runner.os == 'Windows' && matrix.aarch64_version == 'cp36-*'
+        if: runner.os == 'Windows' && matrix.aarch64_version == 'cp38-*'
         uses: ilammy/msvc-dev-cmd@v1.4.1
 
       - name: Build Windows Wheels
-        if: runner.os == 'Windows' && matrix.aarch64_version == 'cp36-*'
+        if: runner.os == 'Windows' && matrix.aarch64_version == 'cp38-*'
         uses: pypa/cibuildwheel@v1.11.0
 
-      - name: Build Obsolete Linux/macOS Wheels
-        if: runner.os != 'Windows' && matrix.aarch64_version == 'cp36-*'
-        uses: pypa/cibuildwheel@v2.1.1
-        env:
-          CIBW_BUILD: cp36-*
-
       - name: Build Linux/macOS Wheels
-        if: runner.os != 'Windows' && matrix.aarch64_version == 'cp37-*'
+        if: runner.os != 'Windows' && matrix.aarch64_version == 'cp38-*'
         uses: pypa/cibuildwheel@v2.1.2
         env:
-          CIBW_SKIP: cp36-*
+          CIBW_SKIP: cp36-* cp37-*
           CIBW_ARCHS_MACOS: "x86_64 arm64 universal2"
 
       - name: Install qemu aarch64