feat: Bump version, add changelogs

android/fastlane/metadata/android/de-DE/changelogs/56.txt

@@ -0,0 +1 @@
+* F-Droid build

android/fastlane/metadata/android/en-US/changelogs/56.txt

@@ -0,0 +1 @@
+* F-Droid build

lib/features/changelogs/view/changelog_dialog.dart

@@ -63,6 +63,7 @@ class ChangelogDialog extends StatelessWidget {
 }
 
 const _versionNumbers = {
+  "56": "3.1.2",
   "55": "3.1.1",
   "54": "3.1.0",
   "53": "3.0.6",

pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 3.1.1+55
+version: 3.1.2+56
 
 environment:
   sdk: ">=3.0.0 <4.0.0"