ci: bump the toolchain version

Signed-off-by: TennyZhuang <zty0826@gmail.com>

Author: TennyZhuang

.github/workflows/rust.yml

@@ -50,7 +50,7 @@ jobs:
           thumbv6m-none-eabi,
           x86_64-pc-windows-gnu,
         ]
-        channel: [1.58.1, nightly]
+        channel: [1.61.0, nightly]
         include:
         - os: macos-latest
           target: x86_64-apple-darwin
@@ -60,10 +60,10 @@ jobs:
           channel: nightly
         - os: macos-latest
           target: x86_64-apple-darwin
-          channel: 1.58.1
+          channel: 1.61.0
         - os: windows-latest
           target: x86_64-pc-windows-msvc
-          channel: 1.58.1
+          channel: 1.61.0
         - os: ubuntu-latest
           target: x86_64-unknown-linux-gnu
           channel: 1.56.1