Merge pull request github#15986 from a-roussos/fix-outdated-url

Fix outdated URL for the ca-certificates package

Author: mchammer01

content/authentication/managing-commit-signature-verification/about-commit-signature-verification.md

@@ -71,7 +71,7 @@ To sign commits using GPG and have those commits verified on {% data variables.p
 
 You can use S/MIME to sign commits with an X.509 key issued by your organization.
 
-{% data variables.product.product_name %} uses [the Debian ca-certificates package](https://packages.debian.org/hu/jessie/ca-certificates), the same trust store used by Mozilla browsers, to confirm that your locally signed commits and tags are cryptographically verifiable against a public key in a trusted root certificate.
+{% data variables.product.product_name %} uses [the Debian ca-certificates package](https://packages.debian.org/bullseye/ca-certificates), the same trust store used by Mozilla browsers, to confirm that your locally signed commits and tags are cryptographically verifiable against a public key in a trusted root certificate.
 
 {% data reusables.gpg.smime-git-version %}