Update Slide to 5.5.5 (264)

F-Droid did not update Slide automatically because both 5.5.5 and 5.5.4
tag the same vercode 263. Add 5.5.5 manually from the commit that bumped
vercode to 264.

metadata/me.ccrama.redditslide.txt

@@ -198,7 +198,14 @@ Build:5.5.4,263
     forceversion=yes
     prebuild=sed -i -e '/withGPlayCompile/d' -e 's/8g/2g/' build.gradle
 
+Build:5.5.5,264
+    commit=58d44b9c77cb4c0320e36dd1dae98e62fe7d0711
+    subdir=app
+    gradle=prod,noGPlay
+    forceversion=yes
+    prebuild=sed -i -e '/withGPlayCompile/d' -e 's/8g/2g/' build.gradle
+
 Auto Update Mode:Version %v
 Update Check Mode:Tags [0-9\.]*$
-Current Version:5.5.4
-Current Version Code:263
+Current Version:5.5.5
+Current Version Code:264