fix issue with slack_sdk call update (#2966)

# What this PR does

## Checklist

- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)

CHANGELOG.md

@@ -7,11 +7,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## v1.3.33 (2023-09-05)
+
+### Fixed
+
+- Fix issue in `apps.slack.tasks.post_or_update_log_report_message_task` task related to passing tuple to `text` arg
+  for `SlackClient.chat_postMessage` method by @joeyorlando ([#2966](https://github.com/grafana/oncall/pull/2966))
+
 ## v1.3.32 (2023-09-05)
 
 ### Added
 
-- Add internal API endpoint for getting schedules shifts for current user by @Ferril([#2928](https://github.com/grafana/oncall/pull/2928))
+- Add internal API endpoint for getting schedules shifts for current user by @Ferril ([#2928](https://github.com/grafana/oncall/pull/2928))
 
 ### Changed
 

engine/apps/slack/scenarios/distribute_alerts.py

@@ -983,15 +983,15 @@ def post_log_message(self, alert_group: AlertGroup) -> None:
             logger.info(f"Cannot post log message for alert_group {alert_group.pk} because SlackMessage doesn't exist")
             return None
 
-        text = ("Building escalation plan... :thinking_face:",)
-
         slack_log_message = alert_group.slack_log_message
 
         if slack_log_message is None:
             logger.debug(f"Start posting new log message for alert_group {alert_group.pk}")
             try:
                 result = self._slack_client.chat_postMessage(
-                    channel=slack_message.channel_id, thread_ts=slack_message.slack_id, text=text
+                    channel=slack_message.channel_id,
+                    thread_ts=slack_message.slack_id,
+                    text="Building escalation plan... :thinking_face:",
                 )
             except SlackAPITokenException as e:
                 print(e)