Bump actions/cache from 4.2.0 to 4.2.1#26

Bumps [actions/cache](https://github.com/actions/cache) from 4.2.0 to 4.2.1. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/actions/cache/releases">actions/cache's releases</a>.</em></p> <blockquote> <h2>v4.2.1</h2> <h2>What's Changed</h2> <blockquote> <p>[!IMPORTANT] As a reminder, there were important backend changes to release v4.2.0, see <a href="https://github.com/actions/cache/releases/tag/v4.2.0">those release notes</a> and <a href="https://github.com/actions/cache/discussions/1510">the announcement</a> for more details.</p> </blockquote> <ul> <li>docs: GitHub is spelled incorrectly in caching-strategies.md by <a href="https://github.com/janco-absa"><code>@​janco-absa</code></a> in <a href="https://redirect.github.com/actions/cache/pull/1526">actions/cache#1526</a></li> <li>docs: Make the &quot;always save prime numbers&quot; example more clear by <a href="https://github.com/Tobbe"><code>@​Tobbe</code></a> in <a href="https://redirect.github.com/actions/cache/pull/1525">actions/cache#1525</a></li> <li>Update force deletion docs due a recent deprecation by <a href="https://github.com/sebbalex"><code>@​sebbalex</code></a> in <a href="https://redirect.github.com/actions/cache/pull/1500">actions/cache#1500</a></li> <li>Bump <code>@​actions/cache</code> to v4.0.1 by <a href="https://github.com/robherley"><code>@​robherley</code></a> in <a href="https://redirect.github.com/actions/cache/pull/1554">actions/cache#1554</a></li> </ul> <h2>New Contributors</h2> <ul> <li><a href="https://github.com/janco-absa"><code>@​janco-absa</code></a> made their first contribution in <a href="https://redirect.github.com/actions/cache/pull/1526">actions/cache#1526</a></li> <li><a href="https://github.com/Tobbe"><code>@​Tobbe</code></a> made their first contribution in <a href="https://redirect.github.com/actions/cache/pull/1525">actions/cache#1525</a></li> <li><a href="https://github.com/sebbalex"><code>@​sebbalex</code></a> made their first contribution in <a href="https://redirect.github.com/actions/cache/pull/1500">actions/cache#1500</a></li> </ul> <p><strong>Full Changelog</strong>: <a href="https://github.com/actions/cache/compare/v4.2.0...v4.2.1">https://github.com/actions/cache/compare/v4.2.0...v4.2.1</a></p> </blockquote> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/actions/cache/blob/main/RELEASES.md">actions/cache's changelog</a>.</em></p> <blockquote> <h3>4.2.1</h3> <ul> <li>Bump <code>@actions/cache</code> to v4.0.1</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/actions/cache/commit/0c907a75c2c80ebcb7f088228285e798b750cf8f"><code>0c907a7</code></a> Merge pull request <a href="https://redirect.github.com/actions/cache/issues/1554">#1554</a> from actions/robherley/v4.2.1</li> <li><a href="https://github.com/actions/cache/commit/710893c2369beb60748049b671f18c43a3656fce"><code>710893c</code></a> bump <code>@​actions/cache</code> to v4.0.1</li> <li><a href="https://github.com/actions/cache/commit/9fa7e61ec7e1f44ac75218e7aaea81da8856fd11"><code>9fa7e61</code></a> Update force deletion docs due a recent deprecation (<a href="https://redirect.github.com/actions/cache/issues/1500">#1500</a>)</li> <li><a href="https://github.com/actions/cache/commit/36f1e144e1c8edb0a652766b484448563d8baf46"><code>36f1e14</code></a> docs: Make the &quot;always save prime numbers&quot; example more clear (<a href="https://redirect.github.com/actions/cache/issues/1525">#1525</a>)</li> <li><a href="https://github.com/actions/cache/commit/53aa38c736a561b9c17b62df3fe885a17b78ee6d"><code>53aa38c</code></a> Correct GitHub Spelling in caching-strategies.md (<a href="https://redirect.github.com/actions/cache/issues/1526">#1526</a>)</li> <li>See full diff in <a href="https://github.com/actions/cache/compare/v4.2.0...v4.2.1">compare view</a></li> </ul> </details> <br /> [](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. 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