Add task executor bar chart, add system version string (#11155)

### What problem does this PR solve?

- Add task executor bar chart
- Add read version string

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/utils/api.ts

@@ -271,4 +271,6 @@ export default {
   adminDeleteWhitelistEntry: (email: string) =>
     `${ExternalApi}${api_host}/admin/whitelist/${email}`,
   adminImportWhitelist: `${ExternalApi}${api_host}/admin/whitelist/batch`,
+
+  adminGetSystemVersion: `${ExternalApi}${api_host}/admin/version`,
 };