[eventhubs-checkpointstore-blob] fix build:samples script#3

willmtemple merged 1 commit intowillmtemple:build-samples-ciwillmtemple/azure-sdk-for-js:build-samples-cifrom

chradek:fix-eh-checkpointstore-blob-sampleschradek/azure-sdk-for-js:fix-eh-checkpointstore-blob-samplesCopy head branch name to clipboard