feat(frame-support-procedural): add automaticaly_derived attr to NoBound derives (#2197)

fixes #2196

substrate/frame/support/test/tests/derive_no_bound.rs

@@ -136,6 +136,7 @@ struct StructNoGenerics {
 	field2: u64,
 }
 
+#[allow(dead_code)]
 #[derive(DebugNoBound, CloneNoBound, EqNoBound, PartialEqNoBound, DefaultNoBound)]
 enum EnumNoGenerics {
 	#[default]
@@ -162,6 +163,7 @@ enum Enum<T: Config, U, V> {
 }
 
 // enum that will have a named default.
+#[allow(dead_code)]
 #[derive(DebugNoBound, CloneNoBound, EqNoBound, PartialEqNoBound, DefaultNoBound)]
 enum Enum2<T: Config> {
 	#[default]
@@ -175,6 +177,7 @@ enum Enum2<T: Config> {
 	VariantUnit2,
 }
 
+#[allow(dead_code)]
 // enum that will have a unit default.
 #[derive(DebugNoBound, CloneNoBound, EqNoBound, PartialEqNoBound, DefaultNoBound)]
 enum Enum3<T: Config> {