CompatHelper: bump compat for DynamicPPL in [weakdeps] to 0.31, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the DynamicPPL package from 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.30 to 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.30, 0.31.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.23%. Comparing base (10fbe8c) to head (e546f4a).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #302   +/-   ##
=======================================
  Coverage   87.23%   87.23%           
=======================================
  Files         103      103           
  Lines        2570     2570           
=======================================
  Hits         2242     2242           
  Misses        328      328           

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