Update digging.js

Author: Pix3lPirat3

lib/plugins/digging.js

@@ -242,7 +242,7 @@ function inject (bot) {
     return block.digTime(
       type,
       creative,
-      _getBlockAtEyeLevel()?.name === 'water',
+      bot._getBlockAtEyeLevel()?.name === 'water',
       !bot.entity.onGround,
       enchantments,
       bot.entity.effects