Upgrade rust/crates/protobuf-codegen to 2.25.1

Test: make
Change-Id: Ic4275dc64149c6400b6668693e0df455c7d5b9b0
diff --git a/src/lib.rs b/src/lib.rs
index c8e0b5d..0a0316c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -192,7 +192,7 @@
     {
         let mut w = CodeWriter::new(&mut v);
 
-        w.write_generated_by("rust-protobuf", "2.25.0");
+        w.write_generated_by("rust-protobuf", "2.25.1");
         w.write_line(&format!("//! Generated file from `{}`", file.get_name()));
         if customize.inside_protobuf != Some(true) {
             w.write_line("");