Update link to article by @heubeck

README.md

@@ -359,7 +359,7 @@ Here are some other examples that we haven't had a chance to look at in more det
 [^10]: Talk [GitOps Con Europe - Implementing Preview Environments with GitOps in Kubernetes ](https://www.youtube.com/watch?v=QNAiIJRIVWA&t=202s) by  François Le Pape, Remazing  
 [^11]: Talk [Preview Environments with ArgoCD](https://www.youtube.com/watch?v=7ahiwZuiCBM) by Brandon Phillips  
 [^12]: Documentation [Helm | Chart Development Tips and Tricks](https://github.com/helm/helm-www/blob/d2543/content/en/docs/howto/charts_tips_and_tricks.md#complex-charts-with-many-dependencies)  
-[^13]: Article [Monitoring and Hardening the GitOps Delivery Pipeline with Flux](https://medium.com/mediamarktsaturn-tech-blog/monitoring-and-hardening-the-gitops-delivery-pipeline-with-flux-a226bdef0351) by Florian Heubeck  
+[^13]: Article [Monitoring and Hardening the GitOps Delivery Pipeline with Flux](https://dev.to/mms-tech/monitoring-and-hardening-the-gitops-delivery-pipeline-with-flux-1gk) by Florian Heubeck  
 [^14]: Article [Git best practices: Workflows for GitOps deployments ](https://developers.redhat.com/articles/2022/07/20/git-workflows-best-practices-gitops-deployments) by Christian Hernandez  
 [^15]: Documentation [Vercel: Preview Deployments](https://vercel.com/docs/concepts/deployments/preview-deployments)  
 [^16]: Documentation [Netlify: Deploy Previews](https://docs.netlify.com/site-deploys/deploy-previews/)  
@@ -372,4 +372,4 @@ Here are some other examples that we haven't had a chance to look at in more det
 [^23]: Talk: [GitOpsCon EU 23: The Art of GitOps: Rendered Manifests](https://gitopsconeu2023.sched.com/event/1Unk5/the-art-of-gitops-rendered-manifests-christian-hernandez-akuity?iframe=yes&w=100%&sidebar=yes&bg=no) by Christian Hernandez  
 [^24]: Documentation [Argo CD | Config Management Plugins](https://github.com/argoproj/argo-cd/blob/v2.9.3/docs/operator-manual/config-management-plugins.md)
 [^25]: [Discussion on LinkedIn](https://www.linkedin.com/feed/update/urn:li:activity:7138481326424276992?commentUrn=urn%3Ali%3Acomment%3A%28activity%3A7138481326424276992%2C7138548943428194304%29&dashCommentUrn=urn%3Ali%3Afsd_comment%3A%287138548943428194304%2Curn%3Ali%3Aactivity%3A7138481326424276992%29)  Christian Hernandez, Scott Rigby and Johannes Schnatterer  
-[^26]: [Discussion on GitHub](https://github.com/argoproj/argo-cd/pull/17506#discussion_r1525548738)  Michael Crenshaw 
+[^26]: [Discussion on GitHub](https://github.com/argoproj/argo-cd/pull/17506#discussion_r1525548738)  Michael Crenshaw