examples/runtime-sdk/minimal-runtime: Use repo oasis-sdk

Author: matevz

examples/runtime-sdk/minimal-runtime/Cargo.toml

@@ -4,4 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-oasis-runtime-sdk = { git = "https://github.com/oasisprotocol/oasis-sdk", tag = "runtime-sdk/v0.13.1" }
+oasis-runtime-sdk = { path = "../../../runtime-sdk" }