fix: rename workspace to projects to avoid vitest deprecation warning

Author: dominikg

packages/addons/vitest-addon/index.ts

@@ -141,7 +141,7 @@ export default defineAddon({
 			const vitestConfig = functions.argumentByIndex(defineWorkspaceCall, 0, object.createEmpty());
 			const testObject = object.property(vitestConfig, 'test', object.createEmpty());
 
-			const workspaceArray = object.property(testObject, 'workspace', array.createEmpty());
+			const workspaceArray = object.property(testObject, 'projects', array.createEmpty());
 			array.push(workspaceArray, clientObjectExpression);
 			array.push(workspaceArray, serverObjectExpression);