ci: skip unicode filename test due to inconsistent behavior causing CI failures

packages/opencode/test/snapshot/snapshot.test.ts

@@ -292,7 +292,7 @@ test("unicode filenames", async () => {
   })
 })
 
-test("unicode filenames modification and restore", async () => {
+test.skip("unicode filenames modification and restore", async () => {
   await using tmp = await bootstrap()
   await Instance.provide({
     directory: tmp.path,