build(deps): bump github.com/coreos/go-oidc/v3 from 3.19.0 to 3.20.0 (#1429)

Bumps [github.com/coreos/go-oidc/v3](https://github.com/coreos/go-oidc)
from 3.19.0 to 3.20.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/coreos/go-oidc/releases">github.com/coreos/go-oidc/v3's
releases</a>.</em></p>
<blockquote>
<h2>v3.20.0</h2>
<h2>What's Changed</h2>
<ul>
<li>oidc: modernize with new Go APIs by <a
href="https://github.com/ericchiang"><code>@​ericchiang</code></a> in <a
href="https://redirect.github.com/coreos/go-oidc/pull/487">coreos/go-oidc#487</a></li>
<li>oidc: improve documentation for APIs by <a
href="https://github.com/ericchiang"><code>@​ericchiang</code></a> in <a
href="https://redirect.github.com/coreos/go-oidc/pull/488">coreos/go-oidc#488</a></li>
<li>SECURITY.md: add a security policy and point to project-level
reporting by <a
href="https://github.com/ericchiang"><code>@​ericchiang</code></a> in <a
href="https://redirect.github.com/coreos/go-oidc/pull/489">coreos/go-oidc#489</a></li>
<li>oidc: ignore JWKs with unknown signing algorithms rather than
failing by <a
href="https://github.com/ericchiang"><code>@​ericchiang</code></a> in <a
href="https://redirect.github.com/coreos/go-oidc/pull/491">coreos/go-oidc#491</a></li>
<li>readme: update README and docs by <a
href="https://github.com/ericchiang"><code>@​ericchiang</code></a> in <a
href="https://redirect.github.com/coreos/go-oidc/pull/492">coreos/go-oidc#492</a></li>
<li>oidc: add API for determining when issuer URLs mismatch by <a
href="https://github.com/ericchiang"><code>@​ericchiang</code></a> in <a
href="https://redirect.github.com/coreos/go-oidc/pull/493">coreos/go-oidc#493</a></li>
<li>oidc: add constants for &quot;email&quot; and &quot;profile&quot;
scopes by <a
href="https://github.com/ericchiang"><code>@​ericchiang</code></a> in <a
href="https://redirect.github.com/coreos/go-oidc/pull/494">coreos/go-oidc#494</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/coreos/go-oidc/compare/v3.19.0...v3.20.0">https://github.com/coreos/go-oidc/compare/v3.19.0...v3.20.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="75dfa5c062"><code>75dfa5c</code></a>
oidc: add constants for &quot;email&quot; and &quot;profile&quot;
scopes</li>
<li><a
href="a89f0468cc"><code>a89f046</code></a>
oidc: add API for determining when issuer URLs mismatch</li>
<li><a
href="6a69b6d27e"><code>6a69b6d</code></a>
readme: update README and docs</li>
<li><a
href="f9049c9907"><code>f9049c9</code></a>
oidc: ignore JWKs with unknown signing algorithms rather than
failing</li>
<li><a
href="2f178e0a9d"><code>2f178e0</code></a>
SECURITY.md: add a security policy and point to project-level
reporting</li>
<li><a
href="b3bc7daa57"><code>b3bc7da</code></a>
oidc: improve documentation for APIs</li>
<li><a
href="0db90530b3"><code>0db9053</code></a>
oidc: modernize with new Go APIs</li>
<li>See full diff in <a
href="https://github.com/coreos/go-oidc/compare/v3.19.0...v3.20.0">compare
view</a></li>
</ul>
</details>
<br />


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go.sum

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