Update flatpak match info.

Author: mtwebster

usr/lib/linuxmint/mintinstall/apt_flatpak_match_data.info

@@ -589,6 +589,7 @@
         "birdtray": "com.ulduzsoft.Birdtray",
         "bkchem": "org.zirael.bkchem.BKChem",
         "blackbox-terminal": "com.raggesilver.BlackBox",
+        "blanket": "com.rafaelmardojai.Blanket",
         "blastem": "com.retrodev.blastem",
         "bleachbit": "org.bleachbit.BleachBit",
         "blender": "org.blender.Blender",