fix: Remove trailing parenthesis from logged version

[edgarrmondragon]

Closes #766

[codecov]

Codecov Report

Merging #767 (605b555) into main (e11acd6) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #767   +/-   ##
=======================================
  Coverage   85.35%   85.35%           
=======================================
  Files          34       34           
  Lines        3408     3408           
=======================================
  Hits         2909     2909           
  Misses        499      499           

Impacted Files	Coverage Δ
singer_sdk/plugin_base.py	78.82% <100.00%> (ø)

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