Bump github.com/letsencrypt/boulder from 0.20260413.0 to 0.20260420.0 (#169)

Bumps
[github.com/letsencrypt/boulder](https://github.com/letsencrypt/boulder)
from 0.20260413.0 to 0.20260420.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/letsencrypt/boulder/releases">github.com/letsencrypt/boulder's
releases</a>.</em></p>
<blockquote>
<h2>v0.20260420.0</h2>
<h2>What's Changed</h2>
<ul>
<li>bump pkimetal to v1.41.0 and ignore new ctlint warning by <a
href="https://github.com/mcpherrinm"><code>@​mcpherrinm</code></a> in <a
href="https://redirect.github.com/letsencrypt/boulder/pull/8713">letsencrypt/boulder#8713</a></li>
<li>observer: use new URL for AllCertificates by <a
href="https://github.com/jsha"><code>@​jsha</code></a> in <a
href="https://redirect.github.com/letsencrypt/boulder/pull/8718">letsencrypt/boulder#8718</a></li>
<li>observer: use CCADB AllCertificates V5 URL by <a
href="https://github.com/jsha"><code>@​jsha</code></a> in <a
href="https://redirect.github.com/letsencrypt/boulder/pull/8719">letsencrypt/boulder#8719</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/letsencrypt/boulder/compare/v0.20260413.0...v0.20260420.0">https://github.com/letsencrypt/boulder/compare/v0.20260413.0...v0.20260420.0</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/letsencrypt/boulder/commit/05635e877fe2f94c109bab178632f5d1582e21f8"><code>05635e8</code></a>
observer: use CCADB AllCertificates V5 URL (<a
href="https://redirect.github.com/letsencrypt/boulder/issues/8719">#8719</a>)</li>
<li><a
href="https://github.com/letsencrypt/boulder/commit/e987484a9fd4931bf4c25c3c0c82f7dd3f11e13e"><code>e987484</code></a>
observer: use new URL for AllCertificates (<a
href="https://redirect.github.com/letsencrypt/boulder/issues/8718">#8718</a>)</li>
<li><a
href="https://github.com/letsencrypt/boulder/commit/c430d1a4a6035682cdf55caa4c08d8d900cec651"><code>c430d1a</code></a>
bump pkimetal to v1.41.0 and ignore new ctlint warning (<a
href="https://redirect.github.com/letsencrypt/boulder/issues/8713">#8713</a>)</li>
<li>See full diff in <a
href="https://github.com/letsencrypt/boulder/compare/v0.20260413.0...v0.20260420.0">compare
view</a></li>
</ul>
</details>
<br />


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go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/dynamodb v1.57.1
 	github.com/aws/aws-sdk-go-v2/service/s3 v1.99.0
 	github.com/caddyserver/certmagic v0.25.1
-	github.com/letsencrypt/boulder v0.20260413.0
+	github.com/letsencrypt/boulder v0.20260420.0
 	github.com/libdns/route53 v1.6.0
 	github.com/mholt/acmez/v3 v3.1.4
 	github.com/stretchr/testify v1.11.1

go.sum

@@ -98,8 +98,8 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
-github.com/letsencrypt/boulder v0.20260413.0 h1:KUxB0aJ8VUIJYPrSaZaO3IPuDrGfyXmNYyoSUGl6hkk=
-github.com/letsencrypt/boulder v0.20260413.0/go.mod h1:ZisB912eU757QUU0PTH+zq2JScaegVjPVKtPn2K1U3w=
+github.com/letsencrypt/boulder v0.20260420.0 h1:PMFy37+tQAfNe2Qks7NhTrKbULzhVmj19LbaZIaz0SE=
+github.com/letsencrypt/boulder v0.20260420.0/go.mod h1:ZisB912eU757QUU0PTH+zq2JScaegVjPVKtPn2K1U3w=
 github.com/letsencrypt/pkcs11key/v4 v4.0.1 h1:XIXFxOnQJS5QYBlMnHhnlOBVcfylh7m3fjOJmVcEV88=
 github.com/letsencrypt/pkcs11key/v4 v4.0.1/go.mod h1:6KfGBMkPEL6OAIRFSZ0VTj3e9G0Yv9G17W5oQ2x1/UQ=
 github.com/letsencrypt/validator/v10 v10.0.0-20230215210743-a0c7dfc17158 h1:HGFsIltYMUiB5eoFSowFzSoXkocM2k9ctmJ57QMGjys=