Merge branch '0.48-changelog' into 'master'

Add missing changelog entries

See merge request OpenMW/openmw!3169

(cherry picked from commit c931776769)

7c1119d9 Add missing changelog entries

CHANGELOG.md

@@ -214,6 +214,8 @@
     Feature #6867: Add a way to localize hardcoded strings in GUI
     Feature #6888: Add switch for armor degradation fix
     Feature #6925: Allow to use a mouse wheel to rotate a head in the race selection menu
+    Feature #7434: Exponential fog
+    Feature #7435: Sky blending
     Task #5534: Remove support for OSG 3.4
     Task #6161: Refactor Sky to use shaders and be GLES/GL3 friendly
     Task #6162: Refactor GUI to use shaders and to be GLES and GL3+ friendly