(!557) Snow Troll armor values

Description

Snow trolls now weaker to siege, magic and hero damage Magic resistance changed to 100%/50% (from 50%/50%) Siege resistance changed to 100%/50% (from 50%/50%) Hero resistance changed to 200%/100% (from 100%/100%)

 

Checklist

I have:

• Tagged my change with the ;,; comment block.
• Ensured that this merge request changes exactly one thing.
• Attached the proper labels to this merge request.
• Added the Merge Request number in the title. e.g. (!42)
• Added a devlog entry for this change.
• Tested my code.