CI: Update to Solana v2.1 crates (#7416)

* Run update script, update curve25519-dalek dep, rust

* Run clippy + fmt

* Add workspace lints, start fixing doc comments

* Update doc comments for clippy

* Re-run cargo fmt after doc comment update

* Update solana-version

* Update CI jobs

program/Cargo.toml

@@ -18,18 +18,21 @@ bytemuck = "1.19.0"
 num-derive = "0.4"
 num-traits = "0.2"
 num_enum = "0.7.3"
-solana-program = "2.0.3"
+solana-program = "2.1.0"
 thiserror = "1.0"
 
 [dev-dependencies]
 lazy_static = "1.5.0"
 proptest = "1.5"
 serial_test = "3.1.1"
-solana-program-test = "2.0.3"
-solana-sdk = "2.0.3"
+solana-program-test = "2.1.0"
+solana-sdk = "2.1.0"
 
 [lib]
 crate-type = ["cdylib", "lib"]
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
+
+[lints]
+workspace = true

program/tests/assert_instruction_count.rs

@@ -23,7 +23,7 @@ const TRANSFER_AMOUNT: u64 = 1_000_000_000_000_000;
 async fn initialize_mint() {
     let mut pt = ProgramTest::new("spl_token", id(), processor!(Processor::process));
     pt.set_compute_max_units(5_000); // last known 2252
-    let (mut banks_client, payer, recent_blockhash) = pt.start().await;
+    let (banks_client, payer, recent_blockhash) = pt.start().await;
 
     let owner_key = Pubkey::new_unique();
     let mint = Keypair::new();