Add 'std' feature to pretty_assertions dependency

Author: makspll

Cargo.toml

@@ -138,7 +138,7 @@ anyhow = { version = "1.0", default-features = false }
 
 # development and testing
 
-pretty_assertions = { version = "1.4", default-features = false }
+pretty_assertions = { version = "1.4", default-features = false, features=["std"] }
 manifest-dir-macros = { version = "0.1.18", default-features = false }
 assert_cmd = { version = "2.0", default-features = false }
 tokio = { version = "1", default-features = false }