Add CPI support for upgradeable loader (bp #14193) (#14335)

* Add CPI support for upgradeable loader (#14193)


(cherry picked from commit e8cc0bef6c)

* update crate version

* nudge

Co-authored-by: Jack May <jack@solana.com>

sdk/src/process_instruction.rs

@@ -61,6 +61,8 @@ pub trait InvokeContext {
     fn record_instruction(&self, instruction: &Instruction);
     /// Get the bank's active feature set
     fn is_feature_active(&self, feature_id: &Pubkey) -> bool;
+    /// Get an account from a pre-account
+    fn get_account(&self, pubkey: &Pubkey) -> Option<Account>;
 }
 
 #[derive(Clone, Copy, Debug, AbiExample)]
@@ -339,4 +341,7 @@ impl InvokeContext for MockInvokeContext {
     fn is_feature_active(&self, _feature_id: &Pubkey) -> bool {
         true
     }
+    fn get_account(&self, _pubkey: &Pubkey) -> Option<Account> {
+        None
+    }
 }