renamed .appdata.xml to .metainfo.xml as suggested by @x80486

.github/workflows/release.yml

@@ -285,7 +285,7 @@ jobs:
           cp dist/linux/common/org.cryptomator.Cryptomator256.png Cryptomator.AppDir/usr/share/icons/hicolor/256x256/apps/org.cryptomator.Cryptomator.png
           cp dist/linux/common/org.cryptomator.Cryptomator512.png Cryptomator.AppDir/usr/share/icons/hicolor/512x512/apps/org.cryptomator.Cryptomator.png
           cp dist/linux/common/org.cryptomator.Cryptomator.svg Cryptomator.AppDir/usr/share/icons/hicolor/scalable/apps/org.cryptomator.Cryptomator.svg
-          cp dist/linux/common/org.cryptomator.Cryptomator.appdata.xml Cryptomator.AppDir/usr/share/metainfo/org.cryptomator.Cryptomator.appdata.xml
+          cp dist/linux/common/org.cryptomator.Cryptomator.metainfo.xml Cryptomator.AppDir/usr/share/metainfo/org.cryptomator.Cryptomator.metainfo.xml
           cp dist/linux/common/org.cryptomator.Cryptomator.desktop Cryptomator.AppDir/usr/share/metainfo/org.cryptomator.Cryptomator.desktop
           cp dist/linux/common/application-vnd.cryptomator.vault.xml Cryptomator.AppDir/usr/share/mime/packages/application-vnd.cryptomator.vault.xml
           ln -s usr/share/icons/hicolor/scalable/apps/org.cryptomator.Cryptomator.svg Cryptomator.AppDir/org.cryptomator.Cryptomator.svg

dist/linux/appimage/build.sh

@@ -59,7 +59,7 @@ cp ../common/org.cryptomator.Cryptomator256.png Cryptomator.AppDir/usr/share/ico
 cp ../common/org.cryptomator.Cryptomator512.png Cryptomator.AppDir/usr/share/icons/hicolor/512x512/apps/org.cryptomator.Cryptomator.png
 cp ../common/org.cryptomator.Cryptomator.svg Cryptomator.AppDir/usr/share/icons/hicolor/scalable/apps/org.cryptomator.Cryptomator.svg
 cp ../common/org.cryptomator.Cryptomator.desktop Cryptomator.AppDir/usr/share/applications/org.cryptomator.Cryptomator.desktop
-cp ../common/org.cryptomator.Cryptomator.appdata.xml Cryptomator.AppDir/usr/share/metainfo/org.cryptomator.Cryptomator.appdata.xml
+cp ../common/org.cryptomator.Cryptomator.metainfo.xml Cryptomator.AppDir/usr/share/metainfo/org.cryptomator.Cryptomator.metainfo.xml
 cp ../common/application-vnd.cryptomator.vault.xml Cryptomator.AppDir/usr/share/mime/packages/application-vnd.cryptomator.vault.xml
 ln -s usr/share/icons/hicolor/scalable/apps/org.cryptomator.Cryptomator.svg Cryptomator.AppDir/org.cryptomator.Cryptomator.svg
 ln -s usr/share/icons/hicolor/scalable/apps/org.cryptomator.Cryptomator.svg Cryptomator.AppDir/Cryptomator.svg