Update python-publish.yml

Following URL description given here:
https://github.com/pypa/gh-action-pypi-publish

Author: aidancrilly

.github/workflows/python-publish.yml

@@ -10,7 +10,9 @@ on:
 jobs:
   deploy:
     runs-on: ubuntu-latest
-    environment: release
+    environment:
+      name: release
+      url: https://pypi.org/p/nesst
     permissions:
       id-token: write
     steps: