chore: bump version and set changelog release date

sds100 · sds100 · commit 6e8158af2c8f · 2026-02-04T10:24:01.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## [4.0.2](https://github.com/sds100/KeyMapper/releases/tag/v4.0.2)
 
-#### TO BE RELEASED
+#### 04 February 2026
 
 ## Added
 
diff --git a/app/version.properties b/app/version.properties
@@ -1,2 +1,2 @@
-VERSION_NAME=4.0.1
-VERSION_CODE=241
+VERSION_NAME=4.0.2
+VERSION_CODE=242
