fix: Fix indentations for generated SQL statements

[sebastian-ederer]

Description

Fixes the indentations of the generated SQL-Statements.

Related Issues

Fixes #26

Type of Change

• Bug fix (non-breaking change adressing an issue)
• New feature (non-breaking change adding functionality)
• Refactoring
• Documentation
• CI / build / tooling
• Breaking change (fix or feature causing existing functionality to change)

Test Plan

• Unit tests added/updated
• Integration tests added/updated (Testcontainers)
• Existing tests pass (dotnet test)

Checklist

• Code follows the project's coding styles and guidelines
• I have updated the documentation accordingly
• I have added tests to cover my changes
• No new compiler warnings introduced
• Public API changes have XML documentation

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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