use defineConfig

apps/app/vitest.config.ts

@@ -1,7 +1,7 @@
 import tsconfigPaths from 'vite-tsconfig-paths';
-import { defineProject } from 'vitest/config';
+import { defineConfig } from 'vitest/config';
 
-export default defineProject({
+export default defineConfig({
   plugins: [
     tsconfigPaths(),
   ],

packages/core/vitest.config.ts

@@ -1,7 +1,7 @@
 import tsconfigPaths from 'vite-tsconfig-paths';
-import { defineProject } from 'vitest/config';
+import { defineConfig } from 'vitest/config';
 
-export default defineProject({
+export default defineConfig({
   plugins: [
     tsconfigPaths(),
   ],

packages/slack/vitest.config.ts

@@ -1,7 +1,7 @@
 import tsconfigPaths from 'vite-tsconfig-paths';
-import { defineProject } from 'vitest/config';
+import { defineConfig } from 'vitest/config';
 
-export default defineProject({
+export default defineConfig({
   plugins: [
     tsconfigPaths(),
   ],