chore: [ES|QL] Update grammars (#102)

This PR updates the ES|QL grammars (lexer and parser) and PromQL
grammars to match the latest version in Elasticsearch.

Co-authored-by: Grammar Sync Bot <elasticmachine@users.noreply.github.com>
Co-authored-by: Stratou <stratoula1@gmail.com>

Author: 3 people

src/parser/antlr/esql_lexer.interp

@@ -311,7 +311,7 @@ sampleCommand
     ;
 
 changePointCommand
-    : CHANGE_POINT value=qualifiedName (ON key=qualifiedName)? (AS targetType=qualifiedName COMMA targetPvalue=qualifiedName)?
+    : CHANGE_POINT value=qualifiedName (ON key=qualifiedName)? (AS targetType=qualifiedName COMMA targetPvalue=qualifiedName)? (BY groupings+=booleanExpression (COMMA groupings+=booleanExpression)*)?
     ;
 
 forkCommand