Fixes SqlDialect output for unary ops

[alancai98]

Description

Applies fix to SqlDialect output for unary ops from partiql/partiql-scribe#22.

Other Information

• Updated Unreleased Section in CHANGELOG: [YES]

• Any backward-incompatible changes? [NO]

• Any new external dependencies? [NO]

• Do your changes comply with the Contributing Guidelines
  and Code Style Guidelines? [YES]

License Information

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[github-actions]

Conformance comparison report

	Base (5121093)	b83acd1	+/-
% Passing	92.54%	92.54%	0.00%
✅ Passing	5384	5384	0
❌ Failing	434	434	0
🔶 Ignored	0	0	0
Total Tests	5818	5818	0

Number passing in both: 5384

Number failing in both: 434

Number passing in Base (5121093) but now fail: 0

Number failing in Base (5121093) but now pass: 0

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.15%. Comparing base (5121093) to head (c605947).

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1384   +/-   ##
=========================================
  Coverage     72.15%   72.15%           
  Complexity     2095     2095           
=========================================
  Files           221      221           
  Lines         15984    15984           
  Branches       2896     2896           
=========================================
  Hits          11534    11534           
  Misses         3641     3641           
  Partials        809      809           

Flag	Coverage Δ
CLI	11.86% <ø> (ø)
EXAMPLES	80.28% <ø> (ø)
LANG	80.78% <ø> (ø)

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