ci: fix more test-all failures

vlib/builtin/linux_bare/memory_managment.v

@@ -22,7 +22,7 @@ fn mm_alloc(size u64) (&byte, Errno) {
 	return &u8(0), e
 }
 
-fn mm_free(addr &byte) Errno {
+fn mm_free(addr &u8) Errno {
 	unsafe {
 		ap := &u64(addr - sizeof(u64))
 		size := *ap

vlib/v/tests/typeof_test.v

@@ -138,7 +138,7 @@ fn myfn4() i8 {
 fn test_typeof_on_fn() {
 	assert typeof(myfn) == 'fn (int) int'
 	assert typeof(myfn2) == 'fn ()'
-	assert typeof(myfn3) == 'fn (int, string) byte'
+	assert typeof(myfn3) == 'fn (int, string) u8'
 	assert typeof(myfn4) == 'fn () i8'
 	assert typeof(myfn).name == typeof(myfn)
 	assert typeof(&myfn).name == '&fn (int) int'