build: Updated dependencies and upgraded to Rust 1.89.0

proc_macros/validate_theme_derive/src/lib.rs

@@ -72,25 +72,25 @@ pub fn derive_validate_theme(input: TokenStream) -> TokenStream {
 
   let mut validation_checks = Vec::new();
 
-  if let Data::Struct(data_struct) = &input.data {
-    if let Fields::Named(fields) = &data_struct.fields {
-      for field in &fields.named {
-        let field_name = &field.ident;
+  if let Data::Struct(data_struct) = &input.data
+    && let Fields::Named(fields) = &data_struct.fields
+  {
+    for field in &fields.named {
+      let field_name = &field.ident;
 
-        let has_validate_attr = field
-          .attrs
-          .iter()
-          .any(|attr| attr.path().is_ident("validate"));
+      let has_validate_attr = field
+        .attrs
+        .iter()
+        .any(|attr| attr.path().is_ident("validate"));
 
-        if has_validate_attr {
-          validation_checks.push(quote! {
-            if self.#field_name.is_none() {
-              log::error!("{} is missing a color value.", stringify!(#field_name));
-              eprintln!("{} is missing a color value.", stringify!(#field_name));
-              std::process::exit(1);
-            }
-          })
-        }
+      if has_validate_attr {
+        validation_checks.push(quote! {
+          if self.#field_name.is_none() {
+            log::error!("{} is missing a color value.", stringify!(#field_name));
+            eprintln!("{} is missing a color value.", stringify!(#field_name));
+            std::process::exit(1);
+          }
+        })
       }
     }
   }