Reenable link to gxscs-hm. It's working reliably. (#244)

This was fixed by closing
[OSISM issue #960](osism/issues#960)

Signed-off-by: Kurt Garloff <kurt@garloff.de>
Co-authored-by: Max Wolfs <mail@maxwolfs.com>

standards/certification/overview.md

@@ -13,7 +13,7 @@ This is a list of clouds that we test on a nightly basis against the certificate
 
 | Name                                                                                                           | Description                                       | Operator                      |                                                         _SCS-compatible IaaS_ Compliance                                                              |                                                        HealthMon                                                         |
 | -------------------------------------------------------------------------------------------------------------- | ------------------------------------------------- | ----------------------------- | :---------------------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------: |
-| [gx-scs](https://github.com/SovereignCloudStack/docs/blob/main/community/cloud-resources/plusserver-gx-scs.md) | Dev environment provided for SCS & GAIA-X context | plusserver GmbH               | [![Compliance Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-gx-scs-v4.yml?label=v4)](https://github.com/SovereignCloudStack/standards/actions/workflows/check-gx-scs-v4.yml)   |   broken <!--[HM](https://health.gx-scs.sovereignit.cloud:3000/)-->   |
+| [gx-scs](https://github.com/SovereignCloudStack/docs/blob/main/community/cloud-resources/plusserver-gx-scs.md) | Dev environment provided for SCS & GAIA-X context | plusserver GmbH               | [![Compliance Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-gx-scs-v4.yml?label=v4)](https://github.com/SovereignCloudStack/standards/actions/workflows/check-gx-scs-v4.yml)   |   [HM](https://health.gx-scs.sovereignit.cloud:3000/)   |
 | [pluscloud open](https://www.plusserver.com/en/products/pluscloud-open)<br />- prod1<br />- prod2<br />- prod3<br />- prod4 | Public cloud for customers (4 regions)   | plusserver GmbH               | &nbsp;<br />- prod1 [![Compliance Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-pco-prod1-v4.yml?label=v4)](https://github.com/SovereignCloudStack/standards/actions/workflows/check-pco-prod1-v4.yml)<br />- prod2 [![Compliance Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-pco-prod2-v4.yml?label=v4)](https://github.com/SovereignCloudStack/standards/actions/workflows/check-pco-prod2-v4.yml)<br />- prod3 [![Compliance Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-pco-prod3-v4.yml?label=v4)](https://github.com/SovereignCloudStack/standards/actions/workflows/check-pco-prod3-v4.yml)<br />- prod4 [![Compliance Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-pco-prod4-v4.yml?label=v4)](https://github.com/SovereignCloudStack/standards/actions/workflows/check-pco-prod4-v4.yml) | &nbsp;<br />[HM1](https://health.prod1.plusserver.sovereignit.cloud:3000/d/9ltTEmlnk/openstack-health-monitor2?orgId=1&var-mycloud=plus-pco)<br />[HM2](https://health.prod1.plusserver.sovereignit.cloud:3000/d/9ltTEmlnk/openstack-health-monitor2?orgId=1&var-mycloud=plus-prod2)<br />[HM3](https://health.prod1.plusserver.sovereignit.cloud:3000/d/9ltTEmlnk/openstack-health-monitor2?orgId=1&var-mycloud=plus-prod3)<br />[HM4](https://health.prod1.plusserver.sovereignit.cloud:3000/d/9ltTEmlnk/openstack-health-monitor2?orgId=1&var-mycloud=plus-prod4) |
 | [Wavestack](https://www.noris.de/wavestack-cloud/)                                                             | Public cloud for customers                        | noris network AG/Wavecon GmbH | [![Compliance Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-wavestack-v4.yml?label=v4)](https://github.com/SovereignCloudStack/standards/actions/workflows/check-wavestack-v4.yml) |                               [HM](https://health.wavestack1.sovereignit.cloud:3000/)                                    |
 | [REGIO.cloud](https://regio.digital)                                                                           | Public cloud for customers                        | OSISM GmbH                    | [![Compliance Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-regio-a-v4.yml?label=v4)](https://github.com/SovereignCloudStack/standards/actions/workflows/check-regio-a-v4.yml)   |   broken <!--[HM](https://apimon.services.regio.digital/public-dashboards/17cf094a47404398a5b8e35a4a3968d4?orgId=1&refresh=5m)-->      |