Update msrv

Author: Keats

azure-pipelines.yml

@@ -21,7 +21,7 @@ stages:
               rustup_toolchain: stable
             linux-pinned:
               imageName: 'ubuntu-20.04'
-              rustup_toolchain: 1.71.1
+              rustup_toolchain: 1.74.0
         pool:
           vmImage: $(imageName)
         steps: