Merge pull request #7 from samkim-crypto/arch-v3

Author: samkim-crypto

Makefile

@@ -1,6 +1,6 @@
 RUST_TOOLCHAIN_NIGHTLY = nightly-2026-01-22
-SOLANA_CLI_VERSION = v3.1.10
-SBF_ARCH = v2
+SOLANA_CLI_VERSION = v4.1.2
+SBF_ARCH = v3
 
 nightly = +${RUST_TOOLCHAIN_NIGHTLY}