fix Keycloak links: real -> realm

[Dale-Muccignat]

I was going through the keycloak readme and I believe there is a small typo in the links that had lxcat-test-real instead of lxcat-test-realm

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.65%. Comparing base (2168dd5) to head (79e5aa6).
Report is 18 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1289   +/-   ##
=======================================
  Coverage   80.65%   80.65%           
=======================================
  Files         233      233           
  Lines        6203     6203           
  Branches     1077     1077           
=======================================
  Hits         5003     5003           
  Misses       1119     1119           
  Partials       81       81           

Flag	Coverage Δ
app	53.63% <ø> (ø)
converter	65.31% <ø> (ø)
database	83.56% <ø> (ø)
schema	94.15% <ø> (ø)

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[daanboer]

Looking good, thank you for the fix!