[DOCS] Edited Watcher PRs in 6.1.1 (elastic/x-pack-elasticsearch#3359)
[DOCS] Edited Watcher PRs in 6.1.1 (elastic/x-pack-elasticsearch#3359)

* [DOCS] Edited Watcher PRs in 6.1.1

* [DOCS] Addressed feedback about watcher release items

Original commit: elastic/x-pack-elasticsearch@e51dee66ab33a617102b1737cd7745518b831b91

strapdata/elassandra,vroyer/elassandra,vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elassandra