Update shapes-1.vim

https://www.w3.org/TR/2025/CRD-css-shapes-1-20250612/

test/test.css

@@ -1099,6 +1099,7 @@ mask {
   display: circle(100px 50px 100px);
   display: ellipse(0 0 250px 100px);
   display: polygon(0 0, 100% 100%, 0 100%);
+  display: shape(from 0% 0%, hline to 100%, line to 0% 100%, vline to 0%);
 }
 
 .sizing-3 {