feat(ast): add parser for template sql

[andylokandy]

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Summary

SQL template allows to bind variables:

select :a + 1    -- substitute :a with the variable value
select IDENTIFIER(:a) + 1   -- substitute IDENTIFIER(:a) with a column ref that has the name of the variable value
drop table IDENTIFIER(:b)  -- substitute IDENTIFIER(:b) with the variable value in the identifier position

• Related Feature: Stored procedure and SQL Scripting #14904

Tests

• Unit Test
• Logic Test
• Benchmark Test
• No Test - Explain why

Type of change

• Bug Fix (non-breaking change which fixes an issue)
• New Feature (non-breaking change which adds functionality)
• Breaking Change (fix or feature that could cause existing functionality not to work as expected)
• Documentation Update
• Refactoring
• Performance Improvement
• Other (please describe):