sql_parser: update progress

Author: Almaz-KG

tests/bart-riers-sqlite-dataset/README.md

@@ -2,7 +2,7 @@
 
 The test dataset is taken from the [Bart Kiers' SQLite ANTLR parser](https://github.com/bkiers/sqlite-parser/tree/master).
 
-In the current implementation, there is 64.19% of the tests that are passing.
+In the current implementation, there is 63.83% of the tests that are passing.
 By passing tests, I mean that the parser successfully parses the SQL query and returns a valid `Expression` AST.
 The structure of the parsed AST is not checked, as there are no expected ASTs list