Fixed some aria violations

(cherry picked from commit 7aa846343815105e3576e6aa20eac64fcb0edf8d)

Closes #2422

frontend/src/Components/DescriptionList/DescriptionListItem.js

@@ -17,7 +17,7 @@ class DescriptionListItem extends Component {
     } = this.props;
 
     return (
-      <span>
+      <div>
         <DescriptionListItemTitle
           className={titleClassName}
         >
@@ -29,7 +29,7 @@ class DescriptionListItem extends Component {
         >
           {data}
         </DescriptionListItemDescription>
-      </span>
+      </div>
     );
   }
 }

frontend/src/Components/Link/IconButton.js

@@ -23,6 +23,7 @@ function IconButton(props) {
         className,
         isDisabled && styles.isDisabled
       )}
+      aria-label="Table Options Button"
       isDisabled={isDisabled}
       {...otherProps}
     >

frontend/src/Components/Page/Header/PageHeader.js

@@ -61,6 +61,7 @@ class PageHeader extends Component {
             <img
               className={styles.logo}
               src={`${window.Readarr.urlBase}/Content/Images/logo.svg`}
+              alt="Readarr Logo"
             />
           </Link>
         </div>
@@ -79,6 +80,7 @@ class PageHeader extends Component {
           <IconButton
             className={styles.donate}
             name={icons.HEART}
+            aria-label="Donate"
             to="https://opencollective.com/readarr"
             size={14}
           />

frontend/src/Components/Page/Header/PageHeaderActionsMenu.js

@@ -20,7 +20,7 @@ function PageHeaderActionsMenu(props) {
   return (
     <div>
       <Menu alignMenu={align.RIGHT}>
-        <MenuButton className={styles.menuButton}>
+        <MenuButton className={styles.menuButton} aria-label="Menu Button">
           <Icon
             name={icons.INTERACTIVE}
           />

frontend/src/Components/ProgressBar.js

@@ -56,7 +56,9 @@ function ProgressBar(props) {
                 styles[kind],
                 enableColorImpairedMode && 'colorImpaired'
               )}
-              aria-valuenow={progress}
+              role="meter"
+              aria-label={`Progress Bar at ${progress.toFixed(0)}%`}
+              aria-valuenow={progress.toFixed(0)}
               aria-valuemin="0"
               aria-valuemax="100"
               style={{ width: progressPercent }}