fix error message

crates/wit/src/parsed_type.rs

@@ -123,7 +123,7 @@ impl ParsedType {
             }
             _ if !type_segment.arguments.is_empty() => Err(Error::new(
                 type_segment.span(),
-                "type with lifetimes or generics aren't allowed".to_string(),
+                "types with lifetimes or generics aren't allowed".to_string(),
             )),
             _ => Ok(ParsedType::Record(
                 (&type_segment.ident).into_token_stream().to_string(),

fluence/tests/export_functions/improper_types.stderr

@@ -1,16 +1,16 @@
-error: type with lifetimes or generics aren't allowed
+error: types with lifetimes or generics aren't allowed
  --> $DIR/improper_types.rs:8:17
   |
 8 | fn test(_arg_1: Box<i32>) {}
   |                 ^^^^^^^^
 
-error: type with lifetimes or generics aren't allowed
+error: types with lifetimes or generics aren't allowed
   --> $DIR/improper_types.rs:11:27
    |
 11 | fn test2(_arg_1: std::rc::Rc<i32>) {}
    |                           ^^^^^^^
 
-error: type with lifetimes or generics aren't allowed
+error: types with lifetimes or generics aren't allowed
   --> $DIR/improper_types.rs:14:36
    |
 14 | fn test3(_arg_1: std::collections::HashMap<i32, String>) {}
@@ -22,7 +22,7 @@ error: Incorrect argument type - passing only by value is supported now
 17 | fn test4(_arg_1: i32) -> (i32, i32) {
    |                          ^^^^^^^^^^
 
-error: type with lifetimes or generics aren't allowed
+error: types with lifetimes or generics aren't allowed
   --> $DIR/improper_types.rs:22:26
    |
 22 | fn test5(_arg_1: i32) -> Box<i32> {

fluence/tests/import_functions/improper_types.stderr

@@ -1,4 +1,4 @@
-error: type with lifetimes or generics aren't allowed
+error: types with lifetimes or generics aren't allowed
   --> $DIR/improper_types.rs:11:21
    |
 11 |     fn test(_arg_1: Box<i32>);

fluence/tests/records/struct_with_improper_types.stderr

@@ -1,16 +1,16 @@
-error: type with lifetimes or generics aren't allowed
+error: types with lifetimes or generics aren't allowed
  --> $DIR/struct_with_improper_types.rs:9:12
   |
 9 |     pub a: Box<i32>,
   |            ^^^^^^^^
 
-error: type with lifetimes or generics aren't allowed
+error: types with lifetimes or generics aren't allowed
   --> $DIR/struct_with_improper_types.rs:14:21
    |
 14 |     pub a: std::rc::Rc<i32>,
    |                     ^^^^^^^
 
-error: type with lifetimes or generics aren't allowed
+error: types with lifetimes or generics aren't allowed
   --> $DIR/struct_with_improper_types.rs:19:30
    |
 19 |     pub a: std::collections::HashMap<i32, String>,