Merge branch 'release-13-21' into 'main'

Release v13.21.0

See merge request gitlab-org/gitlab-shell!512

CHANGELOG

+v13.21.0
+
+- Change default logging format to JSON !476
+- Shutdown sshd gracefully !484
+- Provide liveness and readiness probes !494
+- Add tracing instrumentation to http client !495
+- Log same correlation_id on auth keys check of ssh connections !501
+- fix: validate client cert paths exist on disk before proceeding !508
+- Modify regex to prevent partial matches
+
 v13.20.0
 
 - Remove bin/authorized_keys !491
@@ -6,6 +16,10 @@ v13.20.0
 - Fix the Geo SSH push proxy hanging !487
 - Standardize logging timestamp format !485
 
+v13.19.1
+
+- Modify regex to prevent partial matches
+
 v13.19.0
 
 - Don't finish the opentracing span early !466
@@ -13,6 +27,10 @@ v13.19.0
 - Stop changing directory to the filesystem root !470
 - Fix opentracing setup for gitlab-sshd !473
 
+v13.18.1
+
+- Modify regex to prevent partial matches
+
 v13.18.0
 
 - Fix thread-safety issues in gitlab-shell !463

VERSION

-13.20.0
+13.21.0