chore: fix kaboom version number in title

Shirajuki · Shirajuki · commit be6dd84b1e57 · 2025-04-18T13:49:07.000+02:00
diff --git a/src/kaboom.html b/src/kaboom.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <html lang="en">
-  {{#> head }} Kaboom v3000 — JS Game Rendering Benchmark {{/head}}
+  {{#> head }} Kaboom v2000 — JS Game Rendering Benchmark {{/head}}
   <body>
     {{> header }}
     <main>
