Add 1.20.6 support assuming no change from 1.20.5.

https://www.minecraft.net/en-us/article/minecraft-java-edition-1-20-6 seems to say there was no change

README.md

@@ -9,7 +9,7 @@ Language independent module providing minecraft data for minecraft clients, serv
 
 Supports
 * Minecraft PC version 0.30c (classic), 1.7.10, 1.8.8, 1.9 (15w40b, 1.9, 1.9.1-pre2, 1.9.2, 1.9.4),
-1.10 (16w20a, 1.10-pre1, 1.10, 1.10.1, 1.10.2), 1.11 (16w35a, 1.11, 1.11.2), 1.12 (17w15a, 17w18b, 1.12-pre4, 1.12, 1.12.1, 1.12.2), 1.13 (17w50a, 1.13, 1.13.1, 1.13.2-pre1, 1.13.2-pre2, 1.13.2), 1.14 (1.14, 1.14.1, 1.14.3, 1.14.4), 1.15 (1.15, 1.15.1, 1.15.2), 1.16 (20w13b, 20w14a, 1.16-rc1, 1.16, 1.16.1, 1.16.2, 1.16.3, 1.16.4, 1.16.5), 1.17, 1.17.1, 1.18 (1.18, 1.18.1, 1.18.2), 1.19 (1.19, 1.19.2, 1.19.3, 1.19.4), 1.20 (1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5)
+1.10 (16w20a, 1.10-pre1, 1.10, 1.10.1, 1.10.2), 1.11 (16w35a, 1.11, 1.11.2), 1.12 (17w15a, 17w18b, 1.12-pre4, 1.12, 1.12.1, 1.12.2), 1.13 (17w50a, 1.13, 1.13.1, 1.13.2-pre1, 1.13.2-pre2, 1.13.2), 1.14 (1.14, 1.14.1, 1.14.3, 1.14.4), 1.15 (1.15, 1.15.1, 1.15.2), 1.16 (20w13b, 20w14a, 1.16-rc1, 1.16, 1.16.1, 1.16.2, 1.16.3, 1.16.4, 1.16.5), 1.17, 1.17.1, 1.18 (1.18, 1.18.1, 1.18.2), 1.19 (1.19, 1.19.2, 1.19.3, 1.19.4), 1.20 (1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6)
 * Minecraft bedrock version 0.14, 0.15, 1.0, 1.16.201, 1.16.210, 1.16.220, 1.17.0, 1.17.10, 1.17.30, 1.17.40, 1.18.0, 1.18.11, 1.18.30, 1.19.1, 1.19.10, 1.19.20, 1.19.21, 1.19.30, 1.19.40, 1.19.50, 1.19.60, 1.19.62, 1.19.63, 1.19.70, 1.19.80, 1.20.0, 1.20.10, 1.20.30, 1.20.40, 1.20.50, 1.20.61, 1.20.71, 1.20.80, 1.21.0, 1.21.2, 1.21.20, 1.21.30
 
 

data/dataPaths.json

@@ -1436,9 +1436,9 @@
       "materials": "pc/1.20.5",
       "language": "pc/1.20.5",
       "entities": "pc/1.20.5",
-      "protocol": "pc/1.20.3",
+      "protocol": "pc/1.20.5",
       "windows": "pc/1.16.1",
-      "version": "pc/1.20.4",
+      "version": "pc/1.20.6",
       "foods": "pc/1.20.5",
       "particles": "pc/1.20.5",
       "blockLoot": "pc/1.20",

data/pc/1.20.6/version.json

@@ -0,0 +1,6 @@
+{
+  "version": 766,
+  "minecraftVersion": "1.20.6",
+  "majorVersion": "1.20",
+  "releaseType": "release"
+}