Add missing macos nightly released event

Apparently I missed adding this back in when re-adding macOS on
Intel support.

.github/workflows/cloudsmith-package-sychronised.yml

@@ -289,6 +289,37 @@ jobs:
           topic: ${{ github.repository }} scheduled job failure
           content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }}/job/${{ github.job }}  failed.
 
+  send-macos-nightly-release-event:
+    if: |
+      github.event.client_payload.data.repository == 'nightlies' &&
+      github.event.client_payload.data.name == 'ponyc-x86-64-apple-darwin.tar.gz'
+    name: Send macos nightly release event
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        repo:
+          - ponylang/corral
+          - ponylang/ponyup
+    steps:
+      - name: Send
+        uses: ponylang-main/repository-dispatch@ce5485de42c9b2622d2ed064be479e8ed65e76f4
+        with:
+          token: ${{ secrets.PONYLANG_MAIN_API_TOKEN }}
+          repository: ${{ matrix.repo }}
+          event-type: ponyc-x86_64-macos-nightly-released
+          client-payload: '{"version": "${{ github.event.client_payload.data.version }}"}'
+      - name: Alert on failure
+        if: ${{ failure() }}
+        uses: zulip/github-actions-zulip/send-message@b62d5a0e48a4d984ea4fce5dd65ba691963d4db4
+        with:
+          api-key: ${{ secrets.ZULIP_SCHEDULED_JOB_FAILURE_API_KEY }}
+          email: ${{ secrets.ZULIP_SCHEDULED_JOB_FAILURE_EMAIL }}
+          organization-url: 'https://ponylang.zulipchat.com/'
+          to: notifications
+          type: stream
+          topic: ${{ github.repository }} scheduled job failure
+          content: ${{ github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }} failed.
+
   send-musl-nightly-release-event:
     needs: [build-latest-musl-docker-image]