fix: built-in ArgumentError in tokenizer

[philippemnoel]

Summary

Bug — NameError instead of the intended argument error (lib/parade_db/tokenizer.rb:92)

Tokenizer#render_positional_arg raised InvalidArgumentError for unsupported arg types:

raise InvalidArgumentError, "Unsupported tokenizer arg type: #{value.class}"

InvalidArgumentError is not defined anywhere in the gem (verified via grep -rn "InvalidArgumentError" — the only hit was this line). At runtime Ruby would raise NameError: uninitialized constant ... instead of a meaningful argument error, masking the real problem.

Fix: use Ruby's built-in ArgumentError. This matches how the rest of migration_helpers.rb already raises ArgumentError for bad tokenizer args.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 90.34%. Comparing base (d14ecc4) to head (74de739).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/parade_db/tokenizer.rb	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #107   +/-   ##
=======================================
  Coverage   90.34%   90.34%           
=======================================
  Files          20       20           
  Lines        2404     2404           
  Branches      710      710           
=======================================
  Hits         2172     2172           
  Misses        232      232           

Flag	Coverage Δ
rails-paradedb	90.34% <0.00%> (ø)
rb3.2	90.63% <0.00%> (ø)
rb3.3	90.63% <0.00%> (ø)
rb3.4	90.34% <0.00%> (ø)
rb4.0	90.34% <0.00%> (ø)
rl7.2	90.34% <0.00%> (ø)
rl8.1	90.34% <0.00%> (ø)

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Files with missing lines	Coverage Δ
lib/parade_db/tokenizer.rb	98.03% <0.00%> (ø)

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