Update CI container

[knoepfel]

Includes:

• Updated dependencies (boost, spdlog, and fmt)
• davix variant of root now re-enabled by default
• Cleaned up configure-cmake action and corresponding change to entrypoint.sh script

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

❌ Your project check has failed because the head coverage (74.63%) is below the target coverage (80.00%). You can increase the head coverage or adjust the target coverage.

@@            Coverage Diff             @@
##             main     #294      +/-   ##
==========================================
+ Coverage   74.28%   74.63%   +0.35%     
==========================================
  Files         124      124              
  Lines        2955     2961       +6     
  Branches      513      516       +3     
==========================================
+ Hits         2195     2210      +15     
+ Misses        540      532       -8     
+ Partials      220      219       -1     

Flag	Coverage Δ
unittests	74.63% <ø> (+0.35%)	⬆️

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see 5 files with indirect coverage changes

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[greenc-FNAL]

Minor note: I have a branch in progress which will tweak some of this slightly, but probably not to any great extent.