Bump async from 2.6.3 to 2.6.4 in /frontend#213

Bumps [async](https://github.com/caolan/async) from 2.6.3 to 2.6.4. <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md">async's changelog</a>.</em></p> <blockquote> <h1>v2.6.4</h1> <ul> <li>Fix potential prototype pollution exploit (<a href="https://github-redirect.dependabot.com/caolan/async/issues/1828">#1828</a>)</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/caolan/async/commit/c6bdaca4f9175c14fc655d3783c6af6a883e6514"><code>c6bdaca</code></a> Version 2.6.4</li> <li><a href="https://github.com/caolan/async/commit/8870da9d5022bab310413041b4079e10db3980b7"><code>8870da9</code></a> Update built files</li> <li><a href="https://github.com/caolan/async/commit/4df6754ef4e96a742956df8782fee27242a2ea12"><code>4df6754</code></a> update changelog</li> <li><a href="https://github.com/caolan/async/commit/8f7f90342a6571ba1c197d747ebed30c368096d2"><code>8f7f903</code></a> Fix prototype pollution vulnerability (<a href="https://github-redirect.dependabot.com/caolan/async/issues/1828">#1828</a>)</li> <li>See full diff in <a href="https://github.com/caolan/async/compare/v2.6.3...v2.6.4">compare view</a></li> </ul> </details> <details> <summary>Maintainer changes</summary> <p>This version was pushed to npm by <a href="https://www.npmjs.com/~hargasinski">hargasinski</a>, a new releaser for async since your current version.</p> </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. 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 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) - `@dependabot use these labels` will set the current labels as the default for future PRs for this repo and language - `@dependabot use these reviewers` will set the current reviewers as the default for future PRs for this repo and language - `@dependabot use these assignees` will set the current assignees as the default for future PRs for this repo and language - `@dependabot use this milestone` will set the current milestone as the default for future PRs for this repo and language You can disable automated security fix PRs for this repo from the [Security Alerts page](https://github.com/szwalkowski/MarvelCharacterAppearanceManager/network/alerts). </details>