Fix: update redirect

Author: lwasser

.github/workflows/artifact_redirect.yml

@@ -1,11 +1,20 @@
-name: Book Preview
-
+name: Book Preview Redirect
 on: [status]
 
+# Restrict the permissions granted to the use of secrets.GITHUB_TOKEN in this
+# github actions workflow:
+# https://docs.github.com/en/actions/security-guides/automatic-token-authentication
+permissions:
+  statuses: write
+
 jobs:
   circleci_artifacts_redirector_job:
     runs-on: ubuntu-latest
-    if: "${{ github.event.context == 'ci/circleci: build_book' }}"
+
+    # For testing this action on a fork, remove the "github.repository =="" condition.
+    if: "github.repository == 'pyOpenSci/python-package-guide' && github.event.context == 'ci/circleci: build'"
+    permissions:
+      statuses: write
     name: Run CircleCI artifacts redirector
     steps:
       - name: GitHub Action step