use appveyor vs2026 image.

smoothdeveloper · smoothdeveloper · commit 2d01d87a0db3 · 2026-03-13T11:53:23.000+01:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -1,7 +1,7 @@
 init:
   - git config --global core.autocrlf input
   - net start MSSQL$SQL2019
-image: Visual Studio 2022
+image: Visual Studio 2026
 build_script:
   - cmd: build.cmd --target GenerateDocs
 test: off
