update vendored plutosvg to handle utf-8 bom

sezero · sezero · commit d44e9ebaae9f · 2025-12-31T10:32:10.000+03:00
diff --git a/external/plutosvg b/external/plutosvg
@@ -1 +1 @@
-Subproject commit dc5ea47b2519205a2924bbf9e505c1aac6573109
+Subproject commit f2996dab84dd475cd67e5c0cde5a50321671dd1c
