fix: repair explosive memory leak in GritQL parser

crates/biome_grit_parser/src/lexer/mod.rs

@@ -180,7 +180,7 @@ impl<'src> GritLexer<'src> {
     fn lex_token(&mut self, current: u8) -> GritSyntaxKind {
         match current {
             b'\n' | b'\r' => {
-                debug_assert!(self.consume_newline());
+                self.consume_newline();
                 NEWLINE
             }
             b'\t' | b' ' => self.consume_whitespaces(),

crates/biome_grit_parser/src/parser/mod.rs

@@ -3,6 +3,7 @@ mod literals;
 mod parse_error;
 mod patterns;
 mod predicates;
+mod tests;
 
 use crate::constants::*;
 use crate::token_source::GritTokenSource;

crates/biome_grit_parser/src/parser/tests.rs

@@ -0,0 +1,11 @@
+#![cfg(test)]
+
+use crate::parse_grit;
+
+/// This pattern should be parseable, but previously caused explosive memory usage
+#[test]
+fn parse_language_declaration() {
+    let code = "language js\n";
+    let parse = parse_grit(code);
+    assert!(parse.diagnostics().is_empty());
+}