Macros: Implement expansion(of:providingMembersOf:conformingTo:in:) on MemberMacros.

Resolves a warning about using a deprecated default implementation.

Author: tshortli

lib/Macros/Sources/ObservationMacros/ObservableMacro.swift

@@ -196,6 +196,7 @@ extension ObservableMacro: MemberMacro {
   >(
     of node: AttributeSyntax,
     providingMembersOf declaration: Declaration,
+    conformingTo protocols: [TypeSyntax],
     in context: Context
   ) throws -> [DeclSyntax] {
     guard let identified = declaration.asProtocol(NamedDeclSyntax.self) else {

lib/Macros/Sources/SwiftMacros/DebugDescriptionMacro.swift

@@ -24,6 +24,7 @@ extension DebugDescriptionMacro: MemberMacro {
   public static func expansion(
     of node: AttributeSyntax,
     providingMembersOf declaration: some DeclGroupSyntax,
+    conformingTo protocols: [TypeSyntax],
     in context: some MacroExpansionContext
   )
   throws -> [DeclSyntax]

lib/Macros/Sources/SwiftMacros/OptionSetMacro.swift

@@ -152,6 +152,7 @@ extension OptionSetMacro: MemberMacro {
   >(
     of attribute: AttributeSyntax,
     providingMembersOf decl: Decl,
+    conformingTo protocols: [TypeSyntax],
     in context: Context
   ) throws -> [DeclSyntax] {
     // Decode the expansion arguments.