Setting DOGFOOD_WORKSTATIONS_CANARY_CALENDAR_WEBHOOK_URL (#18298)

To fix failing gitops flow.

Related to fleetdm/confidential#6015

Needs DOGFOOD_WORKSTATIONS_CANARY_CALENDAR_WEBHOOK_URL GitHub secret if
not set already.

Author: getvictor

.github/workflows/dogfood-gitops.yml

@@ -60,6 +60,7 @@ jobs:
           DOGFOOD_FAILING_POLICIES_WEBHOOK_URL: ${{ secrets.DOGFOOD_FAILING_POLICIES_WEBHOOK_URL }}
           DOGFOOD_VULNERABILITIES_WEBHOOK_URL: ${{ secrets.DOGFOOD_VULNERABILITIES_WEBHOOK_URL }}
           DOGFOOD_WORKSTATIONS_ENROLL_SECRET: ${{ secrets.DOGFOOD_WORKSTATIONS_ENROLL_SECRET }}
+          DOGFOOD_WORKSTATIONS_CANARY_CALENDAR_WEBHOOK_URL: ${{ secrets.DOGFOOD_WORKSTATIONS_CANARY_CALENDAR_WEBHOOK_URL }}
           DOGFOOD_WORKSTATIONS_CANARY_ENROLL_SECRET: ${{ secrets.DOGFOOD_WORKSTATIONS_CANARY_ENROLL_SECRET }}
           DOGFOOD_SERVERS_ENROLL_SECRET: ${{ secrets.DOGFOOD_SERVERS_ENROLL_SECRET }}
           DOGFOOD_SERVERS_CANARY_ENROLL_SECRET: ${{ secrets.DOGFOOD_SERVERS_CANARY_ENROLL_SECRET }}