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 (Gmesh mesh with Physical Entities #355)
• Improved MeshAdapt API (Hiding Adapt Options From the Users #344)
• GitHub CI testing (github ci yaml #347, Add release build to github workflow #359)
• Support XSDK v0.6.0 build-time and stand-alone testing (clean up definition and behavior of smoke tests #353)
• Require C++11 (require cxx11 #345)

Bug Fixes:

• Fix bug in PCU byte swapping functions (field_io test broken with gcc in release mode #360)
• Fix GCC 11 support (pumi needs the mallinfo preproc flag #352)
• Fix support for SimModSuite 16 matched entities api (7a192c8)
• Fix memory leaks (fixes for memory leaks mentioned in #344 #350)

Other Updates:

• Use relative paths for sub-modules (Use relative path in .gitmodules #354)
• Clang 13 support (Compile Error on Clang #356)
• Support Omega_h version 10 (babf73b)
• Add GitHub CITATION.cff (a2f0277)

[cwsmith]

Spack PR: spack/spack#29521