fix: make keyword_token safe by validating UTF-8 input

Author: kmr-ankitt

vendored/sqlite3-parser/src/dialect/mod.rs

@@ -65,8 +65,9 @@ include!(concat!(env!("OUT_DIR"), "/keywords.rs"));
 pub(crate) const MAX_KEYWORD_LEN: usize = 17;
 
 pub fn keyword_token(word: &[u8]) -> Option<TokenType> {
+    let s = std::str::from_utf8(word).ok()?;
     KEYWORDS
-        .get(UncasedStr::new(unsafe { str::from_utf8_unchecked(word) }))
+        .get(UncasedStr::new(s))
         .cloned()
 }