fix: Fix Doc lint. (#3158)

## What ❔

Fix error found by Doc lint.
<!-- What are the changes this PR brings about? -->
<!-- Example: This PR adds a PR template to the repo. -->
<!-- (For bigger PRs adding more context is appreciated) -->

## Why ❔

<!-- Why are these changes done? What goal do they contribute to? What
are the principles behind them? -->
<!-- Example: PR templates ensure PR reviewers, observers, and future
iterators are in context about the evolution of repos. -->

## Checklist

<!-- Check your PR fulfills the following items. -->
<!-- For draft PRs check the boxes as you complete them. -->

- [x] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [ ] Tests for the changes have been added / updated.
- [ ] Documentation comments have been added / updated.
- [x] Code has been formatted via `zkstack dev fmt` and `zkstack dev
lint`.

ref ZKD-1855

prover/crates/bin/prover_autoscaler/src/global/watcher.rs

@@ -6,7 +6,6 @@ use reqwest::{
     header::{HeaderMap, HeaderValue, CONTENT_TYPE},
     Method,
 };
-
 use tokio::sync::Mutex;
 use url::Url;
 use zksync_utils::http_with_retries::send_request_with_retries;