fix: attribute iteration extends past last defined attribute

pyth-sdk-solana/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pyth-sdk-solana"
-version = "0.10.1"
+version = "0.10.2"
 authors = ["Pyth Data Foundation"]
 edition = "2018"
 license = "Apache-2.0"

pyth-sdk-solana/src/state.rs

@@ -191,7 +191,9 @@ pub struct ProductAccount {
 
 impl ProductAccount {
     pub fn iter(&self) -> AttributeIter {
-        AttributeIter { attrs: &self.attr }
+        AttributeIter {
+            attrs: &self.attr[..(self.size as usize - PROD_HDR_SIZE)],
+        }
     }
 }