Merge branch 'mushakov-master-patch-26108' into 'master'

Updating the description for ecosystem metric

See merge request gitlab-org/gitlab!68169

config/metrics/counts_28d/20210216184957_ecosystem_total_unique_counts_monthly.yml

 ---
 data_category: optional
 key_path: redis_hll_counters.ecosystem.ecosystem_total_unique_counts_monthly
-description: Number of users performing actions on Jira issues by month
+description: Number of users for Jira and Slack by month
 product_section: dev
 product_stage: ecosystem
 product_group: group::integrations