feat(core): Add configurable execution history limit (#5505)

* Prune execution data when more than cofnfigured limit

* use stricter typings

* use `pruneDataMaxCount`

---------

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/cli/src/config/schema.ts

@@ -325,6 +325,16 @@ export const schema = {
 			default: 3600,
 			env: 'EXECUTIONS_DATA_PRUNE_TIMEOUT',
 		},
+
+		// Additional pruning option to delete executions if total count exceeds the configured max.
+		// Deletes the oldest entries first
+		// Default is 0 = No limit
+		pruneDataMaxCount: {
+			doc: 'Maximum number of executions to keep in DB. Default 0 = no limit',
+			format: Number,
+			default: 0,
+			env: 'EXECUTIONS_DATA_PRUNE_MAX_COUNT',
+		},
 	},
 
 	queue: {