Renovate upgrade

This MR contains the following updates:

Update chart 6.1.2 -> 6.2.1

Package	Update	Change
ironbank/gitlab/gitlab/gitlab-webservice	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/alpine-certificates	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/cfssl-self-sign	minor	1.4.1 -> 1.6.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitaly	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-container-registry	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-exporter	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-mailroom	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-shell	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-sidekiq	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-toolbox	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-webservice	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-workhorse	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/gitlab/gitlab/kubectl	minor	15.1.2 -> 15.2.1
registry1.dso.mil/ironbank/opensource/minio/mc	minor	RELEASE.2022-07-06T14-54-36Z -> RELEASE.2022-08-11T00-30-48Z
registry1.dso.mil/ironbank/opensource/minio/minio	minor	RELEASE.2022-07-08T00-05-23Z -> RELEASE.2022-08-13T21-54-44Z
registry1.dso.mil/ironbank/opensource/postgres/postgresql12	minor	12.11 -> 12.12

Issues

Relates to #147 (closed)