chore: bump version to v0.15.0

Author: rcmdnk

lib/vim_ahk.ahk

@@ -20,8 +20,8 @@
 
 class VimAhk{
   __About(){
-    this.About.Version := "v0.14.2"
-    this.About.Date := "14/Dec/2024"
+    this.About.Version := "v0.15.0"
+    this.About.Date := "24/Jul/2025"
     this.About.Author := "rcmdnk"
     this.About.Description := "Vim emulation with AutoHotkey, everywhere in Windows."
     this.About.Homepage := "https://github.com/rcmdnk/vim_ahk"