Added warning to security policy (#284)

Author: DariuszDepta

SECURITY.md

@@ -3,15 +3,16 @@
 This repository is part of the **CosmWasm** stack.
 Please see the [Advisories] for its security policy.
 
----
+[Advisories]: https://github.com/CosmWasm/advisories/blob/main/SECURITY.md
 
-The code in this repository **IS NOT INTENDED FOR PRODUCTION USE**.
-Specifically, [cw-multi-test] should be used only as a [DEVELOPMENT DEPENDENCY].
-As such, it is not covered by any bug bounty program and is not held
-to the same strict standards as other components regarding bugs.
-However, if you believe you have found a security-critical issue,
-please refer to the contact information in the [Advisories].
+> [!CAUTION]
+> The code in this repository **IS NOT INTENDED FOR PRODUCTION USE**.
+> Specifically, [cw-multi-test] should be used only as a [DEVELOPMENT DEPENDENCY].
+> As such, it is not covered by any bug bounty program and is not held
+> to the same strict standards as other components regarding bugs.
+> 
+> However, if you believe you have found a security-critical issue,
+> please refer to the contact information in the [Advisories].
 
 [cw-multi-test]: https://crates.io/crates/cw-multi-test
 [DEVELOPMENT DEPENDENCY]: https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#development-dependencies
-[Advisories]: https://github.com/CosmWasm/advisories/blob/main/SECURITY.md