ci: bump MSRV

tmplt · tmplt · commit 9bd220df8a09 · 2021-11-27T13:34:28.000+01:00
Required to support the #[non_exhaustive] attribute.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
 
         include:
           # Test MSRV
-          - rust: 1.38.0
+          - rust: 1.40.0
 
           # Test nightly but don't fail
           - rust: nightly
