Add 1.21 album translation & fix previous update translations

I added "Minecraft: " as a prefix to all of the
ones that were done after 1.16, to be more in line
with the album's real title

src/main/resources/assets/kit_tunes/lang/en_us.json

@@ -29,10 +29,11 @@
   "kit_tunes.metadata.minecraft.album.dragon_fish": "Dragon Fish",
   "kit_tunes.metadata.minecraft.album.shuniji": "Shuniji",
   "kit_tunes.metadata.minecraft.album.axolotl": "Axolotl",
-  "kit_tunes.metadata.minecraft.album.nether_update": "Nether Update",
-  "kit_tunes.metadata.minecraft.album.caves_and_cliffs": "Caves & Cliffs",
-  "kit_tunes.metadata.minecraft.album.wild_update": "Wild Update",
-  "kit_tunes.metadata.minecraft.album.trails_and_tales": "Trails & Tales",
+  "kit_tunes.metadata.minecraft.album.nether_update": "Minecraft: Nether Update",
+  "kit_tunes.metadata.minecraft.album.caves_and_cliffs": "Minecraft: Caves & Cliffs",
+  "kit_tunes.metadata.minecraft.album.wild_update": "Minecraft: Wild Update",
+  "kit_tunes.metadata.minecraft.album.trails_and_tales": "Minecraft: Trails & Tales",
+  "kit_tunes.metadata.minecraft.album.tricky_trials": "Minecraft: Tricky Trials",
 
   "kit_tunes.track.minecraft.music.game.oxygene": "Oxygène",
   "kit_tunes.track.minecraft.music.game.end.credits": "Alpha",