Upgrade to SPL Token 3.1.0 program binary

fetch-spl.sh

@@ -38,7 +38,7 @@ fetch_program() {
 
 }
 
-fetch_program token 2.0.6 TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA BPFLoader2111111111111111111111111111111111
+fetch_program token 3.1.0 TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA BPFLoader2111111111111111111111111111111111
 fetch_program memo  1.0.0 Memo1UhkJRfHyvLMcVucJwxXeuD728EqVDDwQDxFMNo BPFLoader1111111111111111111111111111111111
 fetch_program associated-token-account 1.0.1 ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL BPFLoader2111111111111111111111111111111111
 fetch_program feature-proposal 1.0.0 Feat1YXHhH6t1juaWF74WLcfv4XoNocjXA6sPWHNgAse BPFLoader2111111111111111111111111111111111

program-test/src/programs.rs

@@ -11,7 +11,7 @@ mod spl_associated_token_account {
 }
 
 static SPL_PROGRAMS: &[(Pubkey, &[u8])] = &[
-    (spl_token::ID, include_bytes!("programs/spl_token-2.0.6.so")),
+    (spl_token::ID, include_bytes!("programs/spl_token-3.1.0.so")),
     (spl_memo::ID, include_bytes!("programs/spl_memo-1.0.0.so")),
     (
         spl_associated_token_account::ID,