Fix/improve f-droid metadata

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.52
-app.versionCode=52
+app.versionName=0.0.53
+app.versionCode=53

fastlane/metadata/android/en-US/changelogs/53.txt

+Fix/improve f-droid metadata

fastlane/metadata/android/fr-FR/changelogs/53.txt

+Correction/amélioration des metadata f-droid

fdroid_metadata.yml

@@ -7,9 +7,7 @@ WebSite:      https://git.harrault.fr/android/org.benoitharrault.puzzlegame
 SourceCode:   https://git.harrault.fr/android/org.benoitharrault.puzzlegame
 IssueTracker: https://git.harrault.fr/android/org.benoitharrault.puzzlegame/issues
 Changelog:    https://git.harrault.fr/android/org.benoitharrault.puzzlegame/-/tags
-Summary:      |4-
-    Puzzle game, simple and classic.
-
+Summary:      Puzzle game, simple and classic
 Description:  |4-
     Easy to play:
     - Select split size (3x3, 4x4 or 5x5)