v0.12.0-ac.20210727

Enhancements

• Automate release process - #2 (hossainemruz)
• Improve Makefile and workflows - #4 (hossainemruz)

Bug Fixes

• Only print status message on at least 1% progress - #1 (hossainemruz)
• Fix login in ghcr.io - #3 (hossainemruz)

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