chore: specify environment in release job

Author: cjumel

.github/workflows/release.yml

@@ -99,6 +99,10 @@ jobs:
       contents: read
       id-token: write
 
+    environment:
+      name: pypi
+      url: https://pypi.org/p/linkup-sdk
+
     steps:
       - name: Setup | Download Build Artifacts
         uses: actions/download-artifact@v4