feat(core): Add metrics option to cache (#6846)

* add metrics to cache

* use events for metrics

* pr comments / broken test

* lint fix

* update the test

* improve tests

* Update packages/cli/src/config/schema.ts

* disable flaky test

* lint fix

---------

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>
Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <netroy@users.noreply.github.com>

packages/cli/src/config/schema.ts

@@ -578,6 +578,18 @@ export const schema = {
 				env: 'N8N_METRICS_INCLUDE_API_STATUS_CODE_LABEL',
 				doc: 'Whether to include a label for the HTTP status code (200, 404, ...) of API invocations. Default: false',
 			},
+			includeCacheMetrics: {
+				format: Boolean,
+				default: false,
+				env: 'N8N_METRICS_INCLUDE_CACHE_METRICS',
+				doc: 'Whether to include metrics for cache hits and misses. Default: false',
+			},
+			includeMessageEventBusMetrics: {
+				format: Boolean,
+				default: true,
+				env: 'N8N_METRICS_INCLUDE_MESSAGE_EVENT_BUS_METRICS',
+				doc: 'Whether to include metrics for events. Default: false',
+			},
 		},
 		rest: {
 			format: String,