Prepare release 8.2.4

Workflow: Release stage 1 - create release PR (Cylc 8+ only), run: 31

Author: github-actions[bot]

CHANGES.md

@@ -11,6 +11,35 @@ $ towncrier create <PR-number>.<break|feat|fix>.md --content "Short description"
 
 <!-- towncrier release notes start -->
 
+## __cylc-8.2.4 (Released 2024-01-11)__
+
+### 🚀 Enhancements
+
+[#5772](https://github.com/cylc/cylc-flow/pull/5772) - `cylc lint`: added a check for indentation being 4N spaces.
+
+[#5838](https://github.com/cylc/cylc-flow/pull/5838) - `cylc lint`: added rule to check for `rose date` usage (should be replaced with `isodatetime`).
+
+### 🔧 Fixes
+
+[#5789](https://github.com/cylc/cylc-flow/pull/5789) - Stop users changing run modes on restart.
+
+[#5801](https://github.com/cylc/cylc-flow/pull/5801) - Fix traceback when using parentheses on right hand side of graph trigger.
+
+[#5821](https://github.com/cylc/cylc-flow/pull/5821) - Fixed issue where large uncommitted changes could cause `cylc install` to hang.
+
+[#5841](https://github.com/cylc/cylc-flow/pull/5841) - `cylc lint`: improved handling of S011 to not warn if the `#` is `#$` (e.g. shell base arithmetic).
+
+[#5885](https://github.com/cylc/cylc-flow/pull/5885) - Fixed bug in using a final cycle point with chained offsets e.g. 'final cycle point = +PT6H+PT1S'.
+
+[#5893](https://github.com/cylc/cylc-flow/pull/5893) - Fixed bug in computing a time interval-based runahead limit when future triggers are present.
+
+[#5902](https://github.com/cylc/cylc-flow/pull/5902) - Fixed a bug that prevented unsetting `execution time limit` by broadcast or reload.
+
+[#5908](https://github.com/cylc/cylc-flow/pull/5908) - Fixed bug causing redundant DB updates when many tasks depend on the same xtrigger.
+
+[#5909](https://github.com/cylc/cylc-flow/pull/5909) - Fix a bug where Cylc VIP did not remove --workflow-name=<name> from
+  Cylc play arguments.
+
 ## __cylc-8.2.3 (Released 2023-11-02)__
 
 ### 🔧 Fixes