Use "team-lang-python-notifs" slack channel to notify releases (#936)

Author: andrea-guarino-sonarsource

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
           publish_to_binaries: true
           attach_artifacts_to_github_release: true
           run_rules_cov: true
-          slack_channel: lang-python
+          slack_channel: team-lang-python-notifs
         env:
           ARTIFACTORY_API_KEY: ${{ secrets.ARTIFACTORY_API_KEY }}
           BURGRX_USER: ${{ secrets.BURGRX_USER }}