auto publish

[iapicca]

• implement melos publish with https://birju.dev/posts/publish-your-flutter-package-using-github-actions/
• rename publish workflow
• rename publish workflow name
• rename publish workflow name (1)
• rename publish workflow name (2)
• rename publish workflow name (3)
• rename publish workflow name (4)
• rename publish workflow name (5)
• rename publish workflow name (6)
• fix typo in melos.yaml
• move credentials script from melos to workflow
• update pub-lish workflow
• remove endpoint refs from publish workflow and script
• fix publish script
• move script in workflow
• add create credentials.json to workflow
• add mkdir .pub-cache to workflow