fix broken unrelated link

Author: crobert-1

deployments/cloudfoundry/buildpack/README.md

@@ -1,6 +1,6 @@
 # Splunk OpenTelemetry Collector Pivotal Cloud Foundry (PCF) Buildpack
 
-A [Cloud Foundry buildpack](https://docs.vmware.com/en/VMware-Tanzu-Application-Service/2.11/tas-for-vms/toc-buildpacks-index.html) to install
+A [Cloud Foundry buildpack](https://techdocs.broadcom.com/us/en/vmware-tanzu/platform/tanzu-platform-for-cloud-foundry/10-0/tpcf/buildpacks-index.html) to install
 the Splunk OpenTelemetry Collector for use with PCF apps.
 
 The buildpack's default functionality, as described in this document, is to deploy the OpenTelemetry Collector