fix: broken link to rust-analyzer (#170)

Author: fannheyward

Readme.md

@@ -36,7 +36,7 @@ Several indexers currently emit SCIP data:
 
 - [scip-java](https://github.com/sourcegraph/scip-java): Java, Scala, Kotlin
 - [scip-typescript](https://github.com/sourcegraph/scip-typescript): TypeScript, JavaScript
-- [rust-analyzer](https://github.com/sourcegraph/rust-analyzer): Rust
+- [rust-analyzer](https://github.com/rust-lang/rust-analyzer)): Rust
 - [scip-clang](https://github.com/sourcegraph/scip-clang): C++, C
 - [scip-ruby](https://github.com/sourcegraph/scip-ruby): Sorbet, Ruby
 - [scip-python](https://github.com/sourcegraph/scip-python): Python