Merge pull request #4019 from xyflow/svelte-a11y-warnings

Svelte Flow: a11y warnings, add preprocess, update dependencies

packages/svelte/src/lib/components/EdgeLabel/EdgeLabel.svelte

@@ -20,6 +20,8 @@
     style:transform="translate(-50%, -50%) translate({x}px,{y}px)"
     style={'pointer-events: all;' + style}
     role="button"
+    tabindex="-1"
+    on:keyup={() => {}}
     on:click={() => {
       if (id) handleEdgeSelect(id);
     }}

packages/svelte/src/lib/components/NodeSelection/NodeSelection.svelte

@@ -48,6 +48,9 @@
     }}
     on:contextmenu={onContextMenu}
     on:click={onClick}
+    role="button"
+    tabindex="-1"
+    on:keyup={() => {}}
   >
     <Selection width="100%" height="100%" x={0} y={0} />
   </div>