chore(rosetta-api): Update icp-rosetta-api to release 2.1.9 (#8652)

Bump ic-rosetta-api to version 2.1.9. The CHANGELOG of 2.1.9 contains
the follow:

### Added
- Added support for legacy `SignedTransaction` format from pre-v2.1.0
for the `construction/submit` endpoint.
([#7416](#7416))
- Added new `self_describing_action` field in the `Proposal` struct,
returned e.g, by the `get_pending_proposals` endpoint.
([#7643](#7643))
- Return errors immediately during initial sync
([#7203](#7203)).
- Display DB index optimizations status
([#8196](#8196)).
- Display progress bar during ICP block syncing
([#8195](#8195)).

### Fixed
- Avoid panicking when trying to increment metrics
([#7417](#7417)).
- Bump ICP Rosetta ic-agent timeout from 1 to 10 seconds
([#7435](#7435)).

---------

Co-authored-by: IDX GitHub Automation <infra+github-automation@dfinity.org>

Author: ninegua

Cargo.lock

@@ -95,7 +95,7 @@ MACRO_DEV_DEPENDENCIES = []
 ALIASES = {
 }
 
-ROSETTA_VERSION = "2.1.8"
+ROSETTA_VERSION = "2.1.9"
 
 rust_library(
     name = "rosetta-api",

rs/rosetta-api/icp/BUILD.bazel

@@ -5,9 +5,17 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 ## Unreleased
 
+## [2.1.9] - 2026-02-02
 ### Added
 - Added support for legacy `SignedTransaction` format from pre-v2.1.0 for the `construction/submit` endpoint. ([#7416](https://github.com/dfinity/ic/pull/7416))
 - Added new `self_describing_action` field in the `Proposal` struct, returned e.g, by the `get_pending_proposals` endpoint. ([#7643](https://github.com/dfinity/ic/pull/7643))
+- Return errors immediately during initial sync ([#7203](https://github.com/dfinity/ic/pull/7203)).
+- Display DB index optimizations status ([#8196](https://github.com/dfinity/ic/pull/8196)).
+- Display progress bar during ICP block syncing ([#8195](https://github.com/dfinity/ic/pull/8195)).
+
+### Fixed
+- Avoid panicking when trying to increment metrics ([#7417](https://github.com/dfinity/ic/pull/7417)).
+- Bump ICP Rosetta ic-agent timeout from 1 to 10 seconds ([#7435](https://github.com/dfinity/ic/pull/7435)).
 
 ## [2.1.8] - 2025-10-09
 ### Added

rs/rosetta-api/icp/CHANGELOG.md

@@ -1,6 +1,6 @@
 [package]
 name = "ic-rosetta-api"
-version = "2.1.8"
+version = "2.1.9"
 authors = ["The Internet Computer Project Developers"]
 description = "Build Once. Integrate Your Blockchain Everywhere. "
 edition.workspace = true