Update versions.txt to 1.21.8 (#4085)

Glavo · web-flow · commit bab863287d04 · 2025-07-18T00:08:44.000+08:00
diff --git a/HMCLCore/src/main/resources/assets/game/versions.txt b/HMCLCore/src/main/resources/assets/game/versions.txt
@@ -829,4 +829,6 @@
 1.21.6
 1.21.7-rc1
 1.21.7-rc2
-1.21.7
+1.21.7
+1.21.8-rc1
+1.21.8
