chore: minor a11y fix

Author: caseyisonit

2nd-gen/packages/core/components/progress-circle/ProgressCircle.base.ts

@@ -210,16 +210,16 @@ export abstract class ProgressCircleBase extends SizedMixin(SpectrumElement, {
     super.updated(changes);
 
     if (changes.has('progress')) {
-      if (this.progress === null) {
-        this.removeAttribute('aria-valuemin');
-        this.removeAttribute('aria-valuemax');
-        this.removeAttribute('aria-valuenow');
-        this.removeAttribute('aria-valuetext');
-      } else {
+      if (this.progress !== null && this.progress >= 0) {
         this.setAttribute('aria-valuemin', '0');
         this.setAttribute('aria-valuemax', '100');
         this.setAttribute('aria-valuenow', String(this.progress));
         this.setAttribute('aria-valuetext', this.formatProgress());
+      } else {
+        this.removeAttribute('aria-valuemin');
+        this.removeAttribute('aria-valuemax');
+        this.removeAttribute('aria-valuenow');
+        this.removeAttribute('aria-valuetext');
       }
     }
 

2nd-gen/packages/swc/components/progress-circle/ProgressCircle.ts

@@ -107,7 +107,7 @@ export class ProgressCircle extends ProgressCircleBase {
             typeof this.staticColor !== 'undefined',
         })}
       >
-        <svg fill="none" width="100%" height="100%">
+        <svg aria-hidden="true" fill="none" width="100%" height="100%">
           <circle
             cx="50%"
             cy="50%"