CRAN patch 1.10.4-2

[mattdowle]

Closes #2409

• ASAN fails fixed
• Backport base_r order version number to fix fail on oldrel
• #ifdef out omp_set_num_threads (S.O. report) and added section to CRAN_Release.cmd to catch missing #ifdef _OPENMP in future
• Updated startup message when no OpenMP since it's no longer correct that OpenMP is not supported by CRAN on Mac

[codecov-io]

Codecov Report

Merging #2415 into master will increase coverage by <.01%.
The diff coverage is 90.9%.

@@            Coverage Diff            @@
##           master   #2415      +/-   ##
=========================================
+ Coverage   91.29%   91.3%   +<.01%     
=========================================
  Files          62      62              
  Lines       12027   12028       +1     
=========================================
+ Hits        10980   10982       +2     
+ Misses       1047    1046       -1

Impacted Files	Coverage Δ
src/openmp-utils.c	95.65% <ø> (ø)	⬆️
R/onAttach.R	9.09% <0%> (ø)	⬆️
src/rbindlist.c	88.93% <100%> (+0.19%)	⬆️
src/dogroups.c	93.92% <100%> (+0.01%)	⬆️

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