chore(go): Release encryption-sdk Go module 0.3.0#838

ShubhamChaturvedi7 merged 2 commits intomainlineaws/aws-encryption-sdk:mainlinefrom

golang-release-staging-branch/encryption-sdk/0.3.0aws/aws-encryption-sdk:golang-release-staging-branch/encryption-sdk/0.3.0Copy head branch name to clipboard