chore(deps): bump rack-protection from 4.1.1 to 4.2.0 (#1107)

Bumps [rack-protection](https://github.com/sinatra/sinatra) from 4.1.1
to 4.2.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/sinatra/sinatra/blob/main/CHANGELOG.md">rack-protection's
changelog</a>.</em></p>
<blockquote>
<h2>4.2.0 / 2025-10-08</h2>
<ul>
<li>New: Add <code>:static_headers</code> setting for custom headers in
static file responses (<a
href="https://redirect.github.com/sinatra/sinatra/pull/2089">#2089</a>)</li>
<li>Fix: Fix regex in <code>etag_matches?</code> to prevent ReDoS (<a
href="https://redirect.github.com/sinatra/sinatra/pull/2121">#2121</a>))</li>
<li>Fix: <code>PATH_INFO</code> can never be empty (<a
href="https://redirect.github.com/sinatra/sinatra/pull/2114">#2114</a>)</li>
<li>Fix: Fix malformed Content-Type headers (<a
href="https://redirect.github.com/sinatra/sinatra/pull/2081">#2081</a>)</li>
<li>Fix: Avoid crash for integer values in <code>content_type</code>
parameters (<a
href="https://redirect.github.com/sinatra/sinatra/pull/2078">#2078</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/sinatra/sinatra/commit/f2ad45f7d2456172974a30d300e9f82424336e09"><code>f2ad45f</code></a>
4.2.0 release (<a
href="https://redirect.github.com/sinatra/sinatra/issues/2122">#2122</a>)</li>
<li><a
href="https://github.com/sinatra/sinatra/commit/cfcc70dee1133690207b5a3dc6000426ec04e250"><code>cfcc70d</code></a>
CI: don't use <code>Rack::Lint</code> on invalid hostname (<a
href="https://redirect.github.com/sinatra/sinatra/issues/2086">#2086</a>)</li>
<li>See full diff in <a
href="https://github.com/sinatra/sinatra/compare/v4.1.1...v4.2.0">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=rack-protection&package-manager=bundler&previous-version=4.1.1&new-version=4.2.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after
your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge
and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating
it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop
Dependabot creating any more for this major version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop
Dependabot creating any more for this minor version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop
Dependabot creating any more for this dependency (unless you reopen the
PR or upgrade to it yourself)


</details>

Author: rsmithlal

Gemfile.lock

@@ -541,7 +541,7 @@ GEM
       rack (>= 3.0.14)
     rack-mini-profiler (4.0.1)
       rack (>= 1.2.0)
-    rack-protection (4.1.1)
+    rack-protection (4.2.0)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)