Version 0.2.2

Version 0.2.2 will be the last release in the v0.2 series and includes
a few minor bug fixes. Additional fixes on the v0.3 develop branch require
enhancements specific to the new code base, so those were not backported.

Bug fixes

• Fix hit mapping when using GDML geometry with pointers (@sethrj, #672)
• Fail fast instead of giving wrong answers for multithreading (@sethrj, #691)
• Fix a few edge cases in field propagation (@amandalund, #700)

Reviewers: @stognini (1), @amandalund (1), @sethrj (1)

Documentation improvements

• Reenable and patch up HIP tests (@sethrj, #711)

Reviewers: @amandalund (1)

Minor internal changes

• Update CI VecGeom to 1.2.2 (@sethrj, #682)

Reviewers: @pcanal (1)

Full Changelog: v0.2.1...v0.2.2