Add http to Windows nightly dispatch matrix

The http repo has a Windows breakage test workflow that listens for
ponyc-windows-nightly-released events, but http was never added to
the dispatch matrix here, so the workflow never triggered.

Closes ponylang/http#124

Author: SeanTAllen

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

@@ -88,6 +88,7 @@ jobs:
       matrix:
         repo:
           - ponylang/corral
+          - ponylang/http
     steps:
       - name: Send
         # v2.1.1