v1.16.2

1. Enhancements

Elixir

• [Code] Emit :defmodule tracing event on module definition

Mix

• [Mix] Add Mix.install_project_dir/0
• [Mix] Add environment variable for reusing Mix.install/2 installation
• [Mix.SCM] Add Mix.SCM.delete/1

2. Bug fixes

Elixir

• [Code] Fix charlist formatting issue when a single-quoted charlist escapes a double-quote character
• [Path] Fix regression on how Path.relative_to/2 dealt with "." as input

IEx

• [IEx.Helpers] Discard mermaid fenced blocks from ansi docs

ExUnit

• [ExUnit] Properly compared pinned values when building diffs