Update minimum supported Rust version based on the currently used language features

mxgrey · mxgrey · commit 20e0524ad7a9 · 2024-10-07T16:16:36.000+08:00
Signed-off-by: Michael X. Grey &lt;grey@openrobotics.org&gt;
diff --git a/rclrs/Cargo.toml b/rclrs/Cargo.toml
@@ -6,7 +6,7 @@ authors = ["Esteve Fernandez <esteve@apache.org>", "Nikolai Morin <nnmmgit@gmail
 edition = "2021"
 license = "Apache-2.0"
 description = "A ROS 2 client library for developing robotics applications in Rust"
-rust-version = "1.63"
+rust-version = "1.70"
 
 [lib]
 path = "src/lib.rs"
