Adds another exporter for Azure Health (replaces the FXinnovation/azure-health-exporter since the repo no longer exists) (#2769)

Signed-off-by: Matthias Friedrich <1573457+matzefriedrich@users.noreply.github.com>

Author: matzefriedrich

docs/instrumenting/exporters.md

@@ -140,7 +140,7 @@ wide variety of JVM-based applications, for example [Kafka](http://kafka.apache.
    * [AWS Health exporter](https://github.com/Jimdo/aws-health-exporter)
    * [AWS SQS exporter](https://github.com/jmal98/sqs_exporter)
    * [AWS SQS Prometheus exporter](https://github.com/jmriebold/sqs-prometheus-exporter)
-   * [Azure Health exporter](https://github.com/FXinnovation/azure-health-exporter)
+   * [Azure Health exporter](https://github.com/matzefriedrich/az-health-exporter)
    * [BigBlueButton](https://github.com/greenstatic/bigbluebutton-exporter)
    * [Cloudflare exporter](https://gitlab.com/gitlab-org/cloudflare_exporter)
    * [Cryptowat exporter](https://github.com/nbarrientos/cryptowat_exporter)