v-m: Scrape Argo CD

*Argo CD* exposes metrics about itself and the applications it manages.
Notibly, this can be useful for monitoring application health.

victoria-metrics/scrape.yml

@@ -333,3 +333,8 @@ scrape_configs:
     target_label: __address__
     regex: '([^:]+)'
     replacement: '$1:9080'
+
+- job_name: argocd
+  static_configs:
+  - targets:
+    - argocd-metrics.argocd:8082