restrict version

Author: jayantk

examples/sol-anchor-contract/programs/sol-anchor-contract/Cargo.toml

@@ -19,4 +19,5 @@ default = []
 [dependencies]
 anchor-lang = "0.28.0"
 pyth-sdk = { path = "../../../../pyth-sdk", version = "0.8.0" }
+solana-program = ">= 1.10, < 2.0"
 pyth-sdk-solana = { path = "../../../../pyth-sdk-solana", version = "0.10.2" }