docs(bullmq-pro): update changelog to v6.8.0 (#2307)

docs/gitbook/bullmq-pro/changelog.md

@@ -1,3 +1,20 @@
+# [6.8.0](https://github.com/taskforcesh/bullmq-pro/compare/v6.7.0...v6.8.0) (2023-11-30)
+
+
+### Features
+
+* **worker:** better handling of concurrency when fetching jobs ([#2242](https://github.com/taskforcesh/bullmq/issues/2242)) ([d2e2035](https://github.com/taskforcesh/bullmq/commit/d2e203588878ee64cb21e67141f73b32867dfb40))
+
+### Bug Fixes
+
+* **worker:** do not wait for slow jobs fixes [#2290](https://github.com/taskforcesh/bullmq/issues/2290) ([568d758](https://github.com/taskforcesh/bullmq/commit/568d7585edb1f2ef15991d4ae4a2425e6834046a))
+* **utils:** use EventEmitter as a type instead of a namespace ([#2283](https://github.com/taskforcesh/bullmq/issues/2283)) ([41c9d1d](https://github.com/taskforcesh/bullmq/commit/41c9d1d05eedc7351272708e667e8d65eb6773fc))
+* **job:** set delay value on current job instance when it is retried ([#2266](https://github.com/taskforcesh/bullmq/issues/2266)) (python) ([76e075f](https://github.com/taskforcesh/bullmq/commit/76e075f54d5745b6cec3cb11305bf3110d963eae))
+
+### Performance Improvements
+
+* **rate-limit:** continue promoting groups when there are in paused state ([#187](https://github.com/taskforcesh/bullmq-pro/issues/187)) ([17f9e81](https://github.com/taskforcesh/bullmq-pro/commit/17f9e81ad330eb273c3863f448fd3eee546d420f))
+
 # [6.7.0](https://github.com/taskforcesh/bullmq-pro/compare/v6.6.2...v6.7.0) (2023-11-22)
 
 
@@ -14,7 +31,6 @@
 * update delay job property when moving to delayed set ([#2261](https://github.com/taskforcesh/bullmq/issues/2261)) ([69ece08](https://github.com/taskforcesh/bullmq/commit/69ece08babd7716c14c38c3dd50630b44c7c1897))
 * **add-job:** trim events when waiting-children event is published ([#2262](https://github.com/taskforcesh/bullmq/issues/2262)) (python) ([198bf05](https://github.com/taskforcesh/bullmq/commit/198bf05fa5a4e1ce50081296033a2e0f26ece498))
 
-
 ## [6.6.2](https://github.com/taskforcesh/bullmq-pro/compare/v6.6.1...v6.6.2) (2023-11-03)