fix: svg `radialGradient` `fr` attribute missing in types (#16943)

* fix(svg radialGradient): fr attribute missing in types

* chore: add changeset

.changeset/grumpy-towns-stop.md

@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+add missing type for `fr` attribute for `radialGradient` tags in svg

packages/svelte/elements.d.ts

@@ -1658,6 +1658,7 @@ export interface SVGAttributes<T extends EventTarget> extends AriaAttributes, DO
 	'font-variant'?: number | string | undefined | null;
 	'font-weight'?: number | string | undefined | null;
 	format?: number | string | undefined | null;
+	fr?: number | string | undefined | null;
 	from?: number | string | undefined | null;
 	fx?: number | string | undefined | null;
 	fy?: number | string | undefined | null;