Merge pull request #13 from oasisprotocol/ptrus/fix/docker-ci-master

ci/docker: main to master

Author: ptrus

.github/workflows/docker.yml

@@ -8,8 +8,8 @@ name: docker # This name appears in GitHub's Checks API and in workflow's status
 on:
   push:
     branches:
-      - main
-  workflow_dispatch:  # manual; for debugging workflow before merging branch into `main`
+      - master
+  workflow_dispatch:  # manual; for debugging workflow before merging branch into `master`
 
 permissions:
   packages: write