Bump msrv to 1.56.1

Author: justsmth

.github/workflows/bindgen.yml

@@ -48,11 +48,11 @@ jobs:
           profile: minimal
           # MSRV below is documented in README.md, please update that if you
           # change this.
-          toolchain: 1.56.0
+          toolchain: 1.56.1
           override: true
 
       - name: Build with msrv
-        run: rm Cargo.lock && cargo +1.56.0 build --lib
+        run: rm Cargo.lock && cargo +1.56.1 build --lib
 
   quickchecking:
     runs-on: ubuntu-latest

Cargo.lock

@@ -39,7 +39,7 @@ extern "C" {
 
 ## MSRV
 
-The minimum supported Rust version is **1.56**.
+The minimum supported Rust version is **1.56.1**.
 
 No MSRV bump policy has been established yet, so MSRV may increase in any release.