[MISC] Bump version number and update changelog

FixIt.uplugin

 {
 	"FileVersion": 3,
 	"Version": 1,
-	"VersionName": "1.7",
+	"VersionName": "1.8",
 	"FriendlyName": "FixIt",
 	"Description": "A real-time feedback tool",
 	"Category": "Tools",

changelog.md

 # Changelog Releases - FixIt
 
+## Version 1.8
+Date 2025/05/05
+- Fix uninitialised enum value
+- Manage overrides formats with regards to new default values
+- Also handle string array for multiple connection settings
+- Fix correct build configuration selection
+
 ## Version 1.7
 Date 2025/03/27
 - Upgrade to Fixit internal library 1.2