feat: update Go version to 1.25 with Go 1.24+ minimum requirement #41

Job	Run time
Test Invalid SQL Detection	23s
Test Format Checking	20s
Test Valid SQL Validation (macos-latest)	24s
Test Valid SQL Validation (ubuntu-latest)	23s
Test SQL Dialects (sqlite)	20s
Test SQL Dialects (postgresql)	19s
Test Strict Mode	20s
Test SQL Dialects (mysql)	23s
Test Performance	20s
Test No Files Found	22s
Test Summary	4s
	3m 38s

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