Just check v4 for MSRV

KodrAus · web-flow · commit e582a3d1bb26 · 2023-05-28T18:44:57.000+10:00
diff --git a/tests/smoke-test/Cargo.toml b/tests/smoke-test/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2018"
 
 [dependencies.uuid]
 path = "../../"
-features = ["v1", "v3", "v4", "v5"]
+features = ["v4"]
