3.21.0

New Features:

• Support OTP-26, Deprecate OTP-23 support.
• Add incremental dialyzer support for OTP-26

Various fixes:

• bumping a bunch of deps, including certificates, smaller patches in dependencies, and the following relx changes:
  • Also set -dist_listen false for relx_nodetool calls
  • Force use of nodetool if proto_dist set
  • Only overwrite erl with dyn_erl if dyn_erl exists
• Add rebar_parallel pool, use in DAG scans which limits memory usage on large projects
• Maintain cth_log_redirect default in CT runs to show logger messages in HTML test logs
• Change license template to Markdown
• rebar3_dialyzer_format: Add missing message formatting
• Always dereference symbolic links when copying files in ct
• Add ?RTX_LOG macro option to top-level rebar.config
• fix help shell output, --eval is misindeted
• Ignore _vendor folder
• Do not ignore everything starting with underscore recursively
• scope local install VSN variable
• pkgs command should support empty lists