Rename TestStringSQL to TestBinaryDataSQLFormatting for clarity

Improved test function name to be more descriptive about what is being tested.
The test verifies binary data is properly formatted when using SQL() method.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: elianddb

sql/types/strings_test.go

@@ -379,7 +379,7 @@ func TestStringConvert(t *testing.T) {
 	}
 }
 
-func TestStringSQL(t *testing.T) {
+func TestBinaryDataSQLFormatting(t *testing.T) {
 	ctx := sql.NewEmptyContext()
 	tests := []struct {
 		name        string