Bump version in installer

Author: aubymori

installer/installer-x64.nsi

@@ -104,7 +104,7 @@ Section "OpenWithEx" OpenWithEx
     WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenWithEx" \
                  "Publisher" "aubymori"
     WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenWithEx" \
-                 "DisplayVersion" "1.1.0"
+                 "DisplayVersion" "1.2.0"
     WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenWithEx" \
                  "NoModify" 1
     WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenWithEx" \