chore: upgrade to vue-i18n-next beta.22

Author: dargmuesli

lib/utils/collect-linked-keys.ts

@@ -59,7 +59,7 @@ function extractUsedKeysFromAST(ast: ResourceNode): Set<string> {
     if (node.type === NodeTypes.Linked) {
       if (node.key.type === NodeTypes.LinkedKey) {
         keys.add(node.key.value)
-      } else if (node.key.type === NodeTypes.Literal) {
+      } else if (node.key.type === NodeTypes.Literal && node.key.value) {
         keys.add(node.key.value)
       } else if (node.key.type === NodeTypes.List) {
         keys.add(String(node.key.index))

lib/utils/message-compiler/parser-v8.ts

@@ -90,7 +90,7 @@ class CodeContext {
   }
   setEndLoc(
     node: {
-      end: number
+      end?: number
       loc?: SourceLocation
     },
     end: number