build(deps): bump proptest from 1.1.0 to 1.2.0 (#4378)

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program/Cargo.toml

@@ -23,7 +23,7 @@ thiserror = "1.0"
 
 [dev-dependencies]
 lazy_static = "1.4.0"
-proptest = "1.1"
+proptest = "1.2"
 serial_test = "2.0.0"
 solana-program-test = "1.14.12"
 solana-sdk = "1.14.12"