package/ci: Python 3.6 is not on AppVeyor MSVC 2019+ images anymore.

package/ci/appveyor-desktop-gles.bat

@@ -8,7 +8,7 @@ cd pybind11-%PYBIND% || exit /b
 mkdir -p build && cd build || exit /b
 cmake .. ^
     -DCMAKE_INSTALL_PREFIX=%APPVEYOR_BUILD_FOLDER%/deps ^
-    -DPYBIND11_PYTHON_VERSION=3.6 ^
+    -DPYBIND11_PYTHON_VERSION=3.%PYTHON% ^
     -DPYBIND11_TEST=OFF ^
     -G Ninja || exit /b
 ninja install || exit /b
@@ -102,7 +102,7 @@ mkdir build && cd build || exit /b
 cmake .. ^
     -DCMAKE_BUILD_TYPE=Release ^
     -DCMAKE_INSTALL_PREFIX=%APPVEYOR_BUILD_FOLDER%/deps ^
-    -DPYBIND11_PYTHON_VERSION=3.6 ^
+    -DPYBIND11_PYTHON_VERSION=3.%PYTHON% ^
     -DMAGNUM_WITH_PYTHON=ON ^
     -DMAGNUM_BUILD_TESTS=ON ^
     -G Ninja || exit /b

package/ci/appveyor-desktop.bat

@@ -20,7 +20,7 @@ cd pybind11-%PYBIND% || exit /b
 mkdir -p build && cd build || exit /b
 cmake .. ^
     -DCMAKE_INSTALL_PREFIX=%APPVEYOR_BUILD_FOLDER%/deps ^
-    -DPYBIND11_PYTHON_VERSION=3.6 ^
+    -DPYBIND11_PYTHON_VERSION=3.%PYTHON% ^
     -DPYBIND11_TEST=OFF ^
     -G Ninja || exit /b
 ninja install || exit /b
@@ -113,7 +113,7 @@ cmake .. ^
     -DCMAKE_BUILD_TYPE=Release ^
     -DCMAKE_INSTALL_PREFIX=%APPVEYOR_BUILD_FOLDER%/deps ^
     -DCMAKE_PREFIX_PATH=%APPVEYOR_BUILD_FOLDER%/SDL ^
-    -DPYBIND11_PYTHON_VERSION=3.6 ^
+    -DPYBIND11_PYTHON_VERSION=3.%PYTHON% ^
     -DMAGNUM_WITH_PYTHON=ON ^
     -DMAGNUM_BUILD_TESTS=ON ^
     %COMPILER_EXTRA% -G Ninja || exit /b

package/ci/appveyor.yml

@@ -6,33 +6,34 @@ environment:
     COMPILER: msvc
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
     APPVEYOR_JOB_NAME: windows-msvc2017
-    PYTHON: 36
+    PYTHON: 6
     PYBIND: 2.3.0
   - TARGET: desktop
     COMPILER: msvc
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
     APPVEYOR_JOB_NAME: windows-msvc2019
-    PYTHON: 36
+    # Python 3.6 was removed from 2019 and 2022 images in Dec 2023
+    PYTHON: 7
     PYBIND: 2.3.0
   - TARGET: desktop
     COMPILER: msvc
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
     APPVEYOR_JOB_NAME: windows-msvc2022
-    PYTHON: 36
+    PYTHON: 7
     PYBIND: 2.9.0 # first supporting MSVC 2022
   - TARGET: desktop
     COMPILER: msvc
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
     APPVEYOR_JOB_NAME: windows-static-msvc2019
     BUILD_STATIC: ON
-    PYTHON: 36
+    PYTHON: 7
     PYBIND: 2.3.0
   - TARGET: desktop
     COMPILER: msvc
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
     APPVEYOR_JOB_NAME: windows-static-msvc2022
     BUILD_STATIC: ON
-    PYTHON: 36
+    PYTHON: 7
     PYBIND: 2.9.0 # first supporting MSVC 2022
   # clang-cl crashes with pybind11, "Illegal instruction" and
   #   lld-link: warning: ignoring unknown argument '-flto'
@@ -42,13 +43,13 @@ environment:
     #COMPILER: msvc-clang
     #APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
     #APPVEYOR_JOB_NAME: windows-msvc2019-clang
-    #PYTHON: 36
+    #PYTHON: 7
     #PYBIND: 2.7.0
   #- TARGET: desktop
     #COMPILER: msvc-clang
     #APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
     #APPVEYOR_JOB_NAME: windows-msvc2022-clang
-    #PYTHON: 36
+    #PYTHON: 7
     #PYBIND: 2.9.0 # first supporting MSVC 2022
   - TARGET: desktop
     COMPILER: msvc
@@ -56,7 +57,7 @@ environment:
     COMPILER_EXTRA: -DCMAKE_CXX_FLAGS="/permissive- /EHsc" -DMSVC_COMPATIBILITY=OFF
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
     APPVEYOR_JOB_NAME: windows-conforming-msvc2019
-    PYTHON: 36
+    PYTHON: 7
     PYBIND: 2.3.0
   - TARGET: desktop
     COMPILER: msvc
@@ -64,35 +65,35 @@ environment:
     COMPILER_EXTRA: -DCMAKE_CXX_FLAGS="/permissive- /EHsc" -DMSVC_COMPATIBILITY=OFF
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
     APPVEYOR_JOB_NAME: windows-conforming-msvc2022
-    PYTHON: 36
+    PYTHON: 7
     PYBIND: 2.9.0 # first supporting MSVC 2022
   - TARGET: desktop-gles
     TARGET_GLES2: ON
     COMPILER: msvc
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
     APPVEYOR_JOB_NAME: windows-gles2-msvc2019
-    PYTHON: 36
+    PYTHON: 7
     PYBIND: 2.3.0
   - TARGET: desktop-gles
     TARGET_GLES2: ON
     COMPILER: msvc
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
     APPVEYOR_JOB_NAME: windows-gles2-msvc2022
-    PYTHON: 36
+    PYTHON: 7
     PYBIND: 2.9.0 # first supporting MSVC 2022
   - TARGET: desktop-gles
     TARGET_GLES2: OFF
     COMPILER: msvc
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
     APPVEYOR_JOB_NAME: windows-gles3-msvc2019
-    PYTHON: 36
+    PYTHON: 7
     PYBIND: 2.3.0
   - TARGET: desktop-gles
     TARGET_GLES2: OFF
     COMPILER: msvc
     APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
     APPVEYOR_JOB_NAME: windows-gles3-msvc2022
-    PYTHON: 36
+    PYTHON: 7
     PYBIND: 2.9.0 # first supporting MSVC 2022
 
 install:
@@ -106,7 +107,7 @@ install:
 - appveyor DownloadFile https://uploader.codecov.io/latest/windows/codecov.exe -FileName C:/tools/codecov.exe
 
 # pip is in Scripts
-- set PATH=C:/tools/ninja;C:/Python%PYTHON%-x64;C:/Python%PYTHON%-x64/Scripts;%PATH%
+- set PATH=C:/tools/ninja;C:/Python3%PYTHON%-x64;C:/Python3%PYTHON%-x64/Scripts;%PATH%
 - pip3 install coverage
 
 - IF NOT "%BUILD_STATIC%" == "ON" set BUILD_STATIC=OFF