ci: Improve Vercel's preview and production deployment (#112)

Author: Pradumnasaraf

.github/workflows/vercel-preview.yml

@@ -9,6 +9,8 @@ on:
 jobs:
   Deploy-Preview:
     runs-on: ubuntu-20.04
+    environment:
+      name: preview
     steps:
       - uses: actions/checkout@v4
       - name: Install Vercel CLI

.github/workflows/vercel-prod.yml

@@ -9,6 +9,8 @@ on:
 jobs:
   Deploy-Production:
     runs-on: ubuntu-20.04
+    environment:
+      name: production
     steps:
       - uses: actions/checkout@v4
       - name: Install Vercel CLI