Update dependency matrix-auth to v2.6.11 (#874)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

plugin-management-library/src/test/resources/io/jenkins/tools/pluginmanager/impl/plugins.txt

@@ -31,7 +31,7 @@ locale:1.4
 lockable-resources:2.8
 mailer:1.32
 manage-permission:1.0.1
-matrix-auth:2.6.1
+matrix-auth:2.6.11
 maven-plugin:3.6
 momentjs:1.1.1
 monitoring:1.83.0