Update changelog.

Author: milesj

CHANGELOG.md

@@ -47,16 +47,18 @@
   - When the server doesn't support the configured compression, it will now default to "identity"
     (uncompressed) instead of disabling the cache entirely.
 - **Tasks**
-  - Added a new `checks` setting to tasks that allows you to define shell scripts that execute
-    before the task runs, and depending on their type, different outcomes can be achieved. The
-    following types are supported:
+  - Added a `checks` setting to tasks that allows you to define shell scripts that execute before
+    the task runs, and depending on their type, different outcomes can be achieved. The following
+    types are supported:
     - `fingerprint` - if the check fails, the task will fail and not run, otherwise the process
       output will be included in the task hash.
     - `requirement` — if the check fails, the task will fail and not run.
     - `condition` - if all conditions pass, the task will be skipped, otherwise it will run as
       normal.
-  - Added a `taskOptions` setting to `moon.*` that allows you to configure default task options for
-    all tasks within the current project, which can be overridden per task.
+  - Added a `mergeChecks` option to tasks to control the merge behavior of checks when extending
+    tasks.
+  - Added a top-level `taskOptions` setting to `moon.*` that allows you to configure default task
+    options for all tasks within the current project, which can be overridden per task.
 - **VCS**
   - Hardened all executed Git commands: revisions are validated against argument injection,
     credential prompts now fail immediately instead of hanging, and the fsmonitor daemon is now