fdroid version is 2.5, website shows 5.0

@acl33 @cagdasgerede @gavinhenderson

• fdroid version 2.5_ https://f-droid.org/en/packages/dasher.android/
• version 5.0_ https://www.inference.org.uk/dasher/WhatsNew.html
• if possible, please update tags for fdroid to build version 5.0
• fdroiddata app_ https://gitlab.com/fdroid/fdroiddata/-/blob/master/metadata/dasher.android.yml