Unsafe foreign_mod_item and CI updates

Author: vanessa-rodrigues

.github/workflows/ci.yml

@@ -52,4 +52,7 @@ jobs:
       - name: Parse examples
         uses: tree-sitter/parse-action@v4
         with:
-          files: examples/**/*.rs
+          files: |
+            examples/**/*.rs
+            !examples/libc/ctest/templates/test.rs
+            !examples/libc/ctest/tests/input/invalid_syntax.rs

grammar.js

@@ -110,6 +110,7 @@ module.exports = grammar({
     [$.array_expression],
     [$.visibility_modifier],
     [$.visibility_modifier, $.scoped_identifier, $.scoped_type_identifier],
+    [$.foreign_mod_item, $.function_modifiers],
   ],
 
   word: $ => $.identifier,
@@ -279,7 +280,7 @@ module.exports = grammar({
     ),
 
     foreign_mod_item: $ => seq(
-      optional($.visibility_modifier),
+      optional('unsafe'),
       $.extern_modifier,
       choice(
         ';',