Bump API schema to 1891c6e5 (#20304)

Co-authored-by: sentry-api-schema-updater[bot] <271575301+sentry-api-schema-updater[bot]@users.noreply.github.com>

Author: sentry-api-schema-updater[bot]

src/build/resolveOpenAPI.ts

@@ -6,7 +6,7 @@ import {DeRefedOpenAPI, Parameter} from './open-api/types';
 
 // SENTRY_API_SCHEMA_SHA is used in the sentry-docs GHA workflow in getsentry/sentry-api-schema.
 // DO NOT change variable name unless you change it in the sentry-docs GHA workflow in getsentry/sentry-api-schema.
-const SENTRY_API_SCHEMA_SHA = '595f666b2b4cc9a004f27f7631aa20a4ad9c46af';
+const SENTRY_API_SCHEMA_SHA = '1891c6e5c92e2b1d35f9bfdc7122a45f447e6e26';
 
 const activeEnv = process.env.GATSBY_ENV || process.env.NODE_ENV || 'development';