Fix the CHEP2023 paper link

[gojakuch]

I've noticed a broken link and decided to fix it :)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.67%. Comparing base (53732f9) to head (8d089ff).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #236   +/-   ##
=======================================
  Coverage   82.67%   82.67%           
=======================================
  Files          21       21           
  Lines        1403     1403           
=======================================
  Hits         1160     1160           
  Misses        243      243           

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[gojakuch]

I need an approving review to merge this, if anything. you can go ahead and merge it, of course