chore: update README.md links to use the latest version (#239)

The links pointed to 0.22. Change them to the latest version.

Author: jms13

README.md

@@ -17,9 +17,9 @@ Utilities for adding [OpenTelemetry] interoperability to [`tracing`].
 [Documentation][docs-url] | [Chat][discord-url]
 
 [crates-badge]: https://img.shields.io/crates/v/tracing-opentelemetry.svg
-[crates-url]: https://crates.io/crates/tracing-opentelemetry/0.22.0
+[crates-url]: https://crates.io/crates/tracing-opentelemetry/
 [docs-badge]: https://docs.rs/tracing-opentelemetry/badge.svg
-[docs-url]: https://docs.rs/tracing-opentelemetry/0.22.0/tracing_opentelemetry
+[docs-url]: https://docs.rs/tracing-opentelemetry/
 [docs-master-badge]: https://img.shields.io/badge/docs-master-blue
 [docs-master-url]: https://tracing-rs.netlify.com/tracing_opentelemetry
 [mit-badge]: https://img.shields.io/badge/license-MIT-blue.svg