Add podmonitors (#165)

Co-authored-by: Marco Franssen <[email protected]>
Signed-off-by: Marco Franssen <[email protected]>

.github/tests/prometheus/pre-install.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+helm install kube-prometheus-stack kube-prometheus-stack --version 45.7.1 --repo https://prometheus-community.github.io/helm-charts -n "$scenario" --wait

.github/tests/prometheus/values.yaml

@@ -2,3 +2,12 @@ global:
   telemetry:
     prometheus:
       enabled: true
+      podMonitor:
+        enabled: true
+        labels:
+          release: kube-prometheus-stack
+
+spiffe-oidc-discovery-provider:
+  enabled: true
+  insecureScheme:
+    enabled: true