Fix pangolin-controller probe ports to match metrics server

Update liveness and readiness probe ports from 8080 to 9090 to match the
controller's METRICS_ADDR configuration. The controller is configured to
serve metrics on port 9090, but the probes were checking port 8080,
causing pods to remain in NotReady state despite the controller
functioning correctly.

Also update containerPort to 9090 for consistency.

Related: DEV-437

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/pangolin/pangolin-controller-deployment.yaml

@@ -28,7 +28,7 @@ spec:
                 name: pangolin-controller-config
           ports:
             - name: metrics
-              containerPort: 8080
+              containerPort: 9090
               protocol: TCP
           resources:
             requests:
@@ -40,7 +40,7 @@ spec:
           livenessProbe:
             httpGet:
               path: /healthz
-              port: 8080
+              port: 9090
             initialDelaySeconds: 15
             periodSeconds: 20
             timeoutSeconds: 5
@@ -48,7 +48,7 @@ spec:
           readinessProbe:
             httpGet:
               path: /readyz
-              port: 8080
+              port: 9090
             initialDelaySeconds: 5
             periodSeconds: 10
             timeoutSeconds: 5