Changed HTTP Endpoint to Email for inbound email integrations (#2840)

## Which issue(s) this PR fixes

#2816 

## Checklist

- [ ] Unit, integration, and e2e (if applicable) tests updated
- [ ] Documentation added (or `pr:no public docs` PR label added if not
required)
- [ ] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)

CHANGELOG.md

@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+
+- Changed HTTP Endpoint to Email for inbound email integrations
+  ([#2816](https://github.com/grafana/oncall/issues/2816))
+
 ## v1.3.25 (2023-08-18)
 
 ### Changed

grafana-plugin/src/components/IntegrationHowToConnect/IntegrationHowToConnect.tsx

@@ -27,7 +27,7 @@ const IntegrationHowToConnect: React.FC<{ id: AlertReceiveChannel['id'] }> = ({
     switch (integration) {
       case 'direct_paging':
         return 'Manual';
-      case 'email':
+      case 'inbound_email':
         return 'Inbound Email';
       default:
         return 'HTTP Endpoint';