fix: data-uri plugin cache reset at buildStart (#3537)

Author: patak-dev

packages/vite/src/node/plugins/dataUri.ts

@@ -12,12 +12,17 @@ const dataUriPrefix = `/@data-uri/`
  * Build only, since importing from a data URI works natively.
  */
 export function dataURIPlugin(): Plugin {
-  const resolved: {
+  let resolved: {
     [key: string]: string
-  } = {}
+  }
 
   return {
     name: 'vite:data-uri',
+
+    buildStart() {
+      resolved = {}
+    },
+
     resolveId(id) {
       if (!dataUriRE.test(id)) {
         return null