v2.0.0

This is basically a completely new library. Huge shoutout to @martosaur for contributing this

## What's changed

• fix: Fix docs by @rafaeelaudibert in #43
• docs: Update README with examples for setting person and group properties by @rafaeelaudibert in #44
• chore: Add workflow for flags project board by @haacked in #45
• LogHog -> PostHog by @martosaur in #41
• Encode properties for safe posting by @martosaur in #49
• Introduce feature flags higher level functions by @martosaur in #47
• Expose global properties configuration option by @martosaur in #50
• Make Plug integration work for all events, not just errors by @martosaur in #52
• Let users export all Logger metadata keys in Error Tracking by @martosaur in #51
• Ensure file metadata is converted to binary by @martosaur in #55
• Add 2.0 Migration guide by @martosaur in #54
• refactor: Use standard api_host by @rafaeelaudibert in #57
• Pin Elixir version to 1.17 by @martosaur in #58
• Make dev.exs tweakable by @martosaur in #59
• Fix flaky 1.17 test by @martosaur in #60
• Fix Credo by @martosaur in #61
• Make tests async on 1.18+ by @martosaur in #62
• Fix flaky sender test by @martosaur in #63
• V2.0.0 by @rafaeelaudibert in #56

New Contributors

• @martosaur made their first contribution in #41

Full Changelog: v1.1.0...v2.0.0