chore: fix dead link in docs (#4326)

# Description

## Problem\*

Resolves <!-- Link to GitHub Issue -->

## Summary\*

Not sure why CI didn't catch this on a PR but this link is dead.

## Additional Context



## Documentation\*

Check one:
- [ ] No documentation needed.
- [x] Documentation included in this PR.
- [ ] **[Exceptional Case]** Documentation to be submitted in a separate
PR.

# PR Checklist\*

- [x] I have tested the changes locally.
- [x] I have formatted the changes with [Prettier](https://prettier.io/)
and/or `cargo fmt` on default settings.

docs/src/pages/index.jsx

@@ -52,7 +52,7 @@ export default function Landing() {
             </div>
             <div className="homepage_cta_container">
               <h2 className="homepage_h2">Coming from...</h2>
-              <Link to="/docs/how_to/solidity_verifier" target="_blank" rel="noopener noreferrer">
+              <Link to="/docs/how_to/how-to-solidity-verifier" target="_blank" rel="noopener noreferrer">
                 <button className="cta-button button button--primary button--lg homepage_cta">Solidity</button>
               </Link>
               <Link to="/docs" target="_blank" rel="noopener noreferrer">