chore(target_chains/solana): fix tokio dependency (#1886)

Author: Riateche

target_chains/solana/programs/pyth-price-store/Cargo.toml

@@ -24,7 +24,7 @@ jobserver =  { version = "=0.1.20", optional = true }
 [dev-dependencies]
 solana-program-test = "=1.14.17"
 solana-sdk = "=1.14.17"
-tokio = "*"
+tokio = "1.14.1"
 
 [profile.release]
 opt-level     = "z"