v0.12.0

Enhancements

• Add package checksums to lock, ensuring a locked package can not change its content
• Add managers and deps to lock, allowing Hex to run without loading the registry
• Align deps fetching output from scm
• Update hex.pm repo URL to https://repo.hex.pm
• Link to policies when registering account
• Update CoC links
• Improve conflict messages
• Improve error messages when ex_doc is missing when publishing docs
• Show app name of dependency in hex.info
• Warn about long package descriptions

Bug fixes

• Fix HEX_UNSAFE_HTTPS environment variable and unsafe_https config