feat: derive Eq for OpSpec (#2073)

Author: klkvr

crates/optimism/src/spec.rs

@@ -1,15 +1,15 @@
 use revm::specification::hardfork::SpecId;
 
 #[repr(u8)]
-#[derive(Clone, Copy, Debug, Hash)]
+#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum OpSpec {
     Eth(SpecId),
     Op(OpSpecId),
 }
 
 #[repr(u8)]
-#[derive(Clone, Copy, Debug, Hash)]
+#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[allow(non_camel_case_types)]
 pub enum OpSpecId {