Update chisel.json: fix autoupdate

Author: lewis-nixon

bucket/chisel.json

@@ -17,10 +17,10 @@
     "autoupdate": {
         "architecture": {
             "64bit": {
-                "url": "https://github.com/jpillora/chisel/releases/download/v$version/chisel_$version_windows_amd64.gz"
+                "url": "https://github.com/jpillora/chisel/releases/download/v$version/chisel_$version_windows_amd64.zip"
             },
             "arm64": {
-                "url": "https://github.com/jpillora/chisel/releases/download/v$version/chisel_$version_windows_arm64.gz"
+                "url": "https://github.com/jpillora/chisel/releases/download/v$version/chisel_$version_windows_arm64.zip"
             }
         },
         "hash": {