Fix release numbers in ChangeLog.md

Fix incorrectly numbered releases in ChangeLog.md:
  * 0.1.0.1 -> 0.1.1.0
  * 0.1.0.1 (Revision 1) -> 0.1.1.0 (Revision 1)

The release numbers are correct on the releases page at [1] and on
Hackage, it's just ChangeLog.md that's incorrect.

[1]: https://github.com/pgujjula/apply-merge/releases

ChangeLog.md

@@ -5,14 +5,14 @@ SPDX-License-Identifier: BSD-3-Clause
 
 # Changelog for apply-merge
 
-## 0.1.0.1 (Revision 1)
+## 0.1.1.0 (Revision 1)
 
 ### Changed
 * Allow GHC 9.10.
 * Allow containers-0.7.
 * CI configured to also test GHC 9.10.1.
 
-## 0.1.0.1
+## 0.1.1.0
 
 ### Added
 * Implementation of `applyMergeOn`