Merge pull request #109 from microsoft/ci/fix-docker-secret-check

ci: fix workflow to skip Docker login when password is not provided

Author: Roopan-Microsoft

.github/workflows/build-docker.yml

@@ -23,7 +23,7 @@ on:
         type: boolean
     secrets:
       DOCKER_PASSWORD:
-        required: true
+        required: false
 
 jobs:
   docker-build: