scylla-proxy: fix path to README.md
The path to readme in scylla-proxy/Cargo.toml was invalid, which
prevented publishing the crate. Now, it points to the README.md file in
the repository root.
@@ -4,7 +4,7 @@ version = "0.0.1"
edition = "2021"
description = "Proxy layer between Scylla driver and cluster that enables testing Scylla drivers' behaviour in unfavourable conditions"
repository = "https://github.com/scylladb/scylla-rust-driver"
-readme = "README./md"
+readme = "../README.md"
keywords = ["database", "scylla", "cql", "cassandra"]
categories = ["database"]
license = "MIT OR Apache-2.0"
