bump LAMMPS version to stable_2Aug2023_update1

[njzjz]

https://github.com/lammps/lammps/releases/tag/stable_2Aug2023_update1

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.13% 🎉

Comparison is base (544875e) 75.24% compared to head (f167825) 75.38%.
Report is 4 commits behind head on devel.

Additional details and impacted files

@@            Coverage Diff             @@
##            devel    #2859      +/-   ##
==========================================
+ Coverage   75.24%   75.38%   +0.13%     
==========================================
  Files         242      242              
  Lines       24457    24424      -33     
  Branches     1580     1580              
==========================================
+ Hits        18403    18411       +8     
+ Misses       5123     5082      -41     
  Partials      931      931              

see 2 files with indirect coverage changes

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