patch 8.2.5086: CI runs on Windows 2019

Problem:    CI runs on Windows 2019.
Solution:   Switch to Windows 2022.
diff --git a/src/version.c b/src/version.c
index b1f4254..dd3a8a7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5086,
+/**/
     5085,
 /**/
     5084,