ci: use available Android tools and verify Windows CLI artifact

src/mtproto.rs

@@ -702,7 +702,9 @@ mod tests {
         // Fixed wire bytes avoid a symmetric mistake in the test peer helpers.
         fn bytes(hex: &str) -> Vec<u8> {
             hex.as_bytes()
-                .chunks_exact(2)
+                .as_chunks::<2>()
+                .0
+                .iter()
                 .map(|pair| u8::from_str_radix(std::str::from_utf8(pair).unwrap(), 16).unwrap())
                 .collect()
         }