Update CHANGELOG.md and bump version to 3.4.8

CHANGELOG.md

@@ -1,3 +1,19 @@
+## [3.4.8](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.4.8)
+
+### Enhancements
+
+- Improve type readability for larger viewports by bumping up base `font-size`. [#533](https://github.com/mmistakes/minimal-mistakes/issues/533)
+- Update Portuguese localized UI text. [#541](https://github.com/mmistakes/minimal-mistakes/pull/541)
+- Add `page.title` and via parameter to Twitter share link. [#538](https://github.com/mmistakes/minimal-mistakes/pull/538)
+
+### Bug Fixes
+
+- Fix Last.fm author profile URL. [#540](https://github.com/mmistakes/minimal-mistakes/pull/540)
+
+### Maintenance
+
+- Move Brazilian Portuguese localized text under `pt-BR` key.
+
 ## [3.4.7](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.4.7)
 
 ### Enhancements

package.json

@@ -1,6 +1,6 @@
 {
   "name": "minimal-mistakes",
-  "version": "3.4.7",
+  "version": "3.4.8",
   "description": "Minimal Mistakes Jekyll theme npm build scripts",
   "repository": {
     "type": "git",