feat(common): Release version 1.3.0 (#112)

* fix(ports): Only render ports when there are ports

* fix(probes): Only render probes when there are probes

* feat(sidecars): Rename additionalContainers to sidecars

* chore(serviceMonitor): Add labels unittest

charts/other/app-template/tests/serviceMonitor/servicemonitor_test.yaml

@@ -33,6 +33,8 @@ tests:
       serviceMonitor:
         main:
           enabled: true
+          labels:
+            test.label: testvalue
           endpoints:
             - port: http
               scheme: http
@@ -65,6 +67,15 @@ tests:
               path: /metrics
               interval: 1m
               scrapeTimeout: 10s
+      - documentIndex: *ServiceMonitorDocument
+        equal:
+          path: metadata.labels
+          value:
+            app.kubernetes.io/instance: RELEASE-NAME
+            app.kubernetes.io/managed-by: Helm
+            app.kubernetes.io/name: RELEASE-NAME
+            helm.sh/chart: app-template-1.3.0
+            test.label: testvalue
 
   - it: a serviceMonitor is created with nameOverride
     set: