ci: bump VS to 2026

Author: Mizux

.github/workflows/amd64_windows.yml

@@ -13,8 +13,8 @@ jobs:
     strategy:
       matrix:
         cmake: [
-          {name: "VS22", generator: "Visual Studio 17 2022", config: Release, build_target: ALL_BUILD, test_target: RUN_TESTS, install_target: INSTALL},
-          #{name: "VS22", generator: "Visual Studio 17 2022", config: Debug, build_target: ALL_BUILD, test_target: RUN_TESTS, install_target: INSTALL},
+          {name: "VS26", generator: "Visual Studio 18 2026", config: Release, build_target: ALL_BUILD, test_target: RUN_TESTS, install_target: INSTALL},
+          #{name: "VS26", generator: "Visual Studio 18 2026", config: Debug, build_target: ALL_BUILD, test_target: RUN_TESTS, install_target: INSTALL},
         ]
         python: [
           {version: "3.9", dir: Python309},