Use Context logger instead of puts

lib/shopify_api/auth/jwt_payload.rb

@@ -42,10 +42,14 @@ def shop
         @dest.gsub("https://", "")
       end
 
+      # TODO: Remove before releasing v11
       sig { params(shop: String).returns(T::Boolean) }
       def validate_shop(shop)
-        puts "Deprecation notice: validate_shop will be removed in the next major release."
-        /\A[a-z0-9]+[a-z0-9\-\.]*[a-z0-9]+\.(myshopify\.(io|com)|spin\.dev)\z/.match?(shop)
+        Context.logger.warn(
+          "Deprecation notice: ShopifyAPI::Auth::JwtPayload.validate_shop no longer checks the given shop and always " \
+            "returns true. It will be removed in v11."
+        )
+        true
       end
 
       alias_method :eql?, :==