Update build.yml

Author: JeremyGamer13

.github/workflows/build.yml

@@ -21,6 +21,11 @@ jobs:
         cache: 'npm'
     - run: npm ci
     - run: npm run build
+      env:
+        PUBLIC_API_URL: ${{ vars.PUBLIC_API_URL }}
+        PUBLIC_STUDIO_URL: ${{ vars.PUBLIC_STUDIO_URL }}
+        PUBLIC_MAX_UPLOAD_SIZE: ${{ vars.PUBLIC_MAX_UPLOAD_SIZE }}
+        PUBLIC_CAPTCHA_ENABLED: ${{ vars.PUBLIC_CAPTCHA_ENABLED }}
     - name: Upload GitHub Pages artifact
       uses: actions/upload-pages-artifact@v3.0.1
       with: