Update CHANGELOG and bump version to 3.2.9

CHANGELOG.md

@@ -1,3 +1,18 @@
+## [3.2.9](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.2.9)
+
+### Enhancements
+
+- Add support for [header overlay images](https://mmistakes.github.io/minimal-mistakes/docs/layouts/#header-overlay) for Open Graph images. [#358](https://github.com/mmistakes/minimal-mistakes/pull/358)
+
+### Bug Fixes
+
+- Fix `Person` typo Schema.org type [#358](https://github.com/mmistakes/minimal-mistakes/pull/358)
+
+### Maintenance
+
+- Update `github-pages` gem and dependencies.
+- Remove `minutes_read` to avoid awkward reading time wording [#356](https://github.com/mmistakes/minimal-mistakes/issues/356)
+
 ## [3.2.8](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.2.8)
 
 ### Bug Fixes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "minimal-mistakes",
-  "version": "3.2.8",
+  "version": "3.2.9",
   "description": "Minimal Mistakes Jekyll theme npm build scripts",
   "repository": {
     "type": "git",