ci(content): add missing envs

Author: unnoq

.github/workflows/deploy-content.yaml

@@ -61,4 +61,6 @@ jobs:
         env:
           ALCHEMY_STATE_TOKEN: ${{ secrets.ALCHEMY_STATE_TOKEN }}
           CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          PULL_REQUEST: ${{ github.event.number }}
+          GITHUB_SHA: ${{ github.sha }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}