fix(schemas): Support deserializing str's as well as Strings

Not needed for `toml` but could be useful for other formats.

Author: epage

crates/cargo-util-schemas/src/manifest/mod.rs

@@ -418,6 +418,13 @@ impl<'de> de::Deserialize<'de> for InheritableString {
                 Ok(InheritableString::Value(value))
             }
 
+            fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                self.visit_string(value.to_owned())
+            }
+
             fn visit_map<V>(self, map: V) -> Result<Self::Value, V::Error>
             where
                 V: de::MapAccess<'de>,
@@ -454,6 +461,13 @@ impl<'de> de::Deserialize<'de> for InheritableRustVersion {
                 Ok(InheritableRustVersion::Value(value))
             }
 
+            fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                self.visit_string(value.to_owned())
+            }
+
             fn visit_map<V>(self, map: V) -> Result<Self::Value, V::Error>
             where
                 V: de::MapAccess<'de>,
@@ -533,6 +547,13 @@ impl<'de> de::Deserialize<'de> for InheritableStringOrBool {
                 StringOrBool::deserialize(string).map(InheritableField::Value)
             }
 
+            fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                self.visit_string(value.to_owned())
+            }
+
             fn visit_map<V>(self, map: V) -> Result<Self::Value, V::Error>
             where
                 V: de::MapAccess<'de>,