Feat: make AccountInfo::data_ptr public

sdk/pinocchio/src/account_info.rs

@@ -609,7 +609,7 @@ impl AccountInfo {
     }
 
     /// Returns the memory address of the account data.
-    fn data_ptr(&self) -> *mut u8 {
+    pub fn data_ptr(&self) -> *mut u8 {
         unsafe { (self.raw as *mut u8).add(core::mem::size_of::<Account>()) }
     }
 }