add secrets

Author: Shitanshukumar607

.github/workflows/build.yml

@@ -13,7 +13,10 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           cache: "npm"
       - run: npm install
       - run: npm run build
+        env:
+          NEXT_PUBLIC_SUPABASE_URL: ${{ secrets.NEXT_PUBLIC_SUPABASE_URL }}
+          NEXT_PUBLIC_SUPABASE_ANON_KEY: ${{ secrets.NEXT_PUBLIC_SUPABASE_ANON_KEY }}