3.19.0

New features:

• Add --offline option and REBAR_OFFLINE environment variable
• Add support for project-local plugins in umbrella projects only
• Add eunit --test flag

Experimental features for which we promise no backwards compatibility in
the near future:

• Experimental vendoring provider
  • Support plugins in experimental vendor provider

Other changes:

• Support OTP 23..25 inclusively
• Bump Relx to 4.7.0
  • Use erlexec directly in relx helper functions
  • Make rlx_util:parse_vsn parse integer versions
  • fix awk script check_name() in extended_bin
  • avoid crash when overlay is malformed
  • keep attributes when stripping beams
  • Fix {include_erts,true} in Windows releases
  • ensure the erl file is writable before copying dyn_erl to it
  • Various tests added
• Properly carry overlay_vars settings for files in relx
• Track mib compilation artifacts
• Attempt to find apps in git subdirs (sparse checkouts)
• Do not discard parameters --system_libs and --include-erts when duplicate values exist
• Use default depth parameter for SSL
• Fix global cache config overriding
• Error out on unknown templates in 'new' command
• Fix a typo
• Bump certifi to 2.9.0
• add a debug message in internal dependency fetching code
• Use SPDX id for license in template and test
• Use default branch for git and git_subdir resources with no revision