chore: update slack channel (#308)

# Conflicts:
#	.ci/Jenkinsfile

.ci/Jenkinsfile

@@ -30,7 +30,7 @@ pipeline {
     booleanParam(name: "forceSkipGitChecks", defaultValue: false, description: "If it's needed to check for Git changes to filter by modified sources")
     booleanParam(name: "forceSkipPresubmit", defaultValue: false, description: "If it's needed to execute the pre-submit tests: unit and precommit.")
     booleanParam(name: "notifyOnGreenBuilds", defaultValue: false, description: "If it's needed to notify with green builds.")
-    string(name: 'SLACK_CHANNEL', defaultValue: 'observablt-robots', description: 'The Slack channel where errors will be posted')
+    string(name: 'SLACK_CHANNEL', defaultValue: 'observablt-bots', description: 'The Slack channel where errors will be posted')
     string(name: 'ELASTIC_AGENT_DOWNLOAD_URL', defaultValue: '', description: 'If present, it will override the download URL for the Elastic agent artifact. (I.e. https://staging.elastic.co/7.9.1-7b774025/downloads/beats/elastic-agent/elastic-agent-7.9.1-linux-x86_64.tar.gz')
     string(name: 'ELASTIC_AGENT_VERSION', defaultValue: '7.9.1', description: 'SemVer version of the stand-alone elastic-agent to be used for Ingest Manager tests. You can use here the tag of your PR to test your changes')
     booleanParam(name: "ELASTIC_AGENT_USE_CI_SNAPSHOTS", defaultValue: false, description: "If it's needed to use the binary snapshots produced by Beats CI instead of the official releases")