Fix reconciler log format message (#25)

[porridge]

Fix log format string interpolation, bug introduced in #155 .

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.39%. Comparing base (08ab7fb) to head (c2865eb).
Report is 77 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (08ab7fb) and HEAD (c2865eb). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (08ab7fb)	HEAD (c2865eb)
	2	1

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #427      +/-   ##
==========================================
- Coverage   85.06%   78.39%   -6.67%     
==========================================
  Files          19       31      +12     
  Lines        1346     2486    +1140     
==========================================
+ Hits         1145     1949     +804     
- Misses        125      447     +322     
- Partials       76       90      +14     

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