chore(deps-dev): bump cdk-nag from 2.14.6 to 2.14.7 (#68)

Bumps [cdk-nag](https://github.com/cdklabs/cdk-nag) from 2.14.6 to 2.14.7.
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<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/cdklabs/cdk-nag/releases">cdk-nag's releases</a>.</em></p>
<blockquote>
<h2>v2.14.7</h2>
<h3><a href="https://github.com/cdklabs/cdk-nag/compare/v2.14.6...v2.14.7">2.14.7</a> (2022-05-19)</h3>
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<summary>Commits</summary>
<ul>
<li><a href="https://github.com/cdklabs/cdk-nag/commit/c18f6fce502913b19ae34ccd674012338a5a9659"><code>c18f6fc</code></a> chore(deps): upgrade dependencies (<a href="https://github-redirect.dependabot.com/cdklabs/cdk-nag/issues/868">#868</a>)</li>
<li>See full diff in <a href="https://github.com/cdklabs/cdk-nag/compare/v2.14.6...v2.14.7">compare view</a></li>
</ul>
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