Point to the web alias for shared albums during nightly deployments

.github/workflows/web-nightly.yml

@@ -80,6 +80,8 @@ jobs:
 
             - name: Build photos
               run: yarn build:photos
+              env:
+                  NEXT_PUBLIC_ENTE_ALBUMS_ENDPOINT: https://albums.ente.sh
 
             - name: Publish photos
               uses: cloudflare/pages-action@1