doc: Update solana version
@@ -18,7 +18,7 @@ rustup component add rustfmt
See the solana [docs](https://docs.solana.com/cli/install-solana-cli-tools) for installation instructions. On macOS and Linux,
```bash
-sh -c "$(curl -sSfL https://release.solana.com/v1.8.5/install)"
+sh -c "$(curl -sSfL https://release.solana.com/v1.9.1/install)"
```
## Install Yarn
