Pin expect-test to an older version to  fix MSRV 1.46 tests
This is only a dev-dependency, so this should not have any impacts on downstream crates.
@@ -43,7 +43,7 @@ serde_json = {version = "1.0.1", optional = true}
serde_with_macros = {path = "../serde_with_macros", version = "1.5.0", optional = true}
[dev-dependencies]
-expect-test = "1.0.0"
+expect-test = "<1.2.1"
fnv = "1.0.6"
glob = "0.3.0"
mime = "0.3.16"
