PUMI 2.2.7 Release

[cwsmith]

This issue is to document functionality and features added to PUMI 2.2.7 since the 2.2.6 release.

New functionality or feature support:

• Gmsh physical entity support (#355)
• Improved MeshAdapt API (#344)
• GitHub CI testing (#347, #359)
• Support XSDK v0.6.0 build-time and stand-alone testing (#353)
• Require C++11 (#345)

Bug Fixes:

• Fix bug in PCU byte swapping functions (#360)
• Fix GCC 11 support (#352)
• Fix support for SimModSuite 16 matched entities api (https://github.com/SCOREC/core/commit/7a192c8fc4c3a9edfa4dc1105142dede846dc2ea)
• Fix memory leaks (#350)

Other Updates:

• Use relative paths for sub-modules (#354)
• Clang 13 support (#356)
• Support Omega_h version 10 (https://github.com/SCOREC/core/commit/babf73b8c8ee5ef46f49f2c9dd5ff7e5a3e907bd)
• Add GitHub CITATION.cff (https://github.com/SCOREC/core/commit/a2f0277f931fe163aa58cbd90b4d406802d95d10)

[cwsmith]

Spack PR: https://github.com/spack/spack/pull/29521