update changelog for v1.3.1 changes

CHANGELOG.md

@@ -1,3 +1,12 @@
+<a name="v1.3.1"></a>
+# [v1.3.1](https://github.com/rhysd/action-setup-vim/releases/tag/v1.3.1) - 31 Jan 2024
+
+- Support [the new M1 Mac runner](https://github.blog/changelog/2024-01-30-github-actions-introducing-the-new-m1-macos-runner-available-to-open-source/) ([#28](https://github.com/rhysd/action-setup-vim/issues/28))
+  - On M1 Mac, Homebrew installation directory was changed from `/usr/local` to `/opt/homebrew`
+
+[Changes][v1.3.1]
+
+
 <a name="v1.3.0"></a>
 # [v1.3.0](https://github.com/rhysd/action-setup-vim/releases/tag/v1.3.0) - 15 Oct 2023
 
@@ -226,6 +235,7 @@ Please read [README.md](https://github.com/rhysd/action-setup-vim#readme) for us
 [Changes][v1.0.0]
 
 
+[v1.3.1]: https://github.com/rhysd/action-setup-vim/compare/v1.3.0...v1.3.1
 [v1.3.0]: https://github.com/rhysd/action-setup-vim/compare/v1.2.15...v1.3.0
 [v1.2.15]: https://github.com/rhysd/action-setup-vim/compare/v1.2.14...v1.2.15
 [v1.2.14]: https://github.com/rhysd/action-setup-vim/compare/v1.2.13...v1.2.14
@@ -251,4 +261,4 @@ Please read [README.md](https://github.com/rhysd/action-setup-vim#readme) for us
 [v1.0.1]: https://github.com/rhysd/action-setup-vim/compare/v1.0.0...v1.0.1
 [v1.0.0]: https://github.com/rhysd/action-setup-vim/tree/v1.0.0
 
-<!-- Generated by https://github.com/rhysd/changelog-from-release v3.7.0 -->
+<!-- Generated by https://github.com/rhysd/changelog-from-release v3.7.2 -->