[DOCS] Automate PagerDuty connector screenshots (#165413)

## Summary

This PR automates two screenshots in
https://www.elastic.co/guide/en/kibana/master/pagerduty-action-type.html

docs/management/connectors/action-types/pagerduty.asciidoc

@@ -15,6 +15,7 @@ or as needed when you're creating a rule. For example:
 
 [role="screenshot"]
 image::management/connectors/images/pagerduty-connector.png[PagerDuty connector]
+// NOTE: This is an autogenerated screenshot. Do not edit it directly.
 
 [float]
 [[pagerduty-connector-configuration]]
@@ -63,6 +64,7 @@ as you're creating or editing the connector in {kib}. For example:
 
 [role="screenshot"]
 image::management/connectors/images/pagerduty-params-test.png[PagerDuty params test]
+// NOTE: This is an autogenerated screenshot. Do not edit it directly.
 
 PagerDuty actions have the following properties.
 

x-pack/test/screenshot_creation/apps/response_ops_docs/stack_connectors/connector_types.ts

@@ -171,5 +171,20 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
       await commonScreenshots.takeScreenshot('webhook-params-test', screenshotDirectories);
       await testSubjects.click('euiFlyoutCloseButton');
     });
+
+    it('pagerduty connector screenshots', async () => {
+      await pageObjects.common.navigateToApp('connectors');
+      await pageObjects.header.waitUntilLoadingHasFinished();
+      await actions.common.openNewConnectorForm('pagerduty');
+      await testSubjects.setValue('nameInput', 'PagerDuty test connector');
+      await testSubjects.setValue('pagerdutyApiUrlInput', 'https://dev-test.pagerduty.com/');
+      await testSubjects.setValue('pagerdutyRoutingKeyInput', 'testkey');
+      await commonScreenshots.takeScreenshot('pagerduty-connector', screenshotDirectories);
+      await testSubjects.click('create-connector-flyout-save-test-btn');
+      await testSubjects.click('toastCloseButton');
+      await testSubjects.setValue('eventActionSelect', 'trigger');
+      await commonScreenshots.takeScreenshot('pagerduty-params-test', screenshotDirectories);
+      await testSubjects.click('euiFlyoutCloseButton');
+    });
   });
 }