Update HetrickCV.json (#136)

Fix for Linux builds

plugins/HetrickCV.json

@@ -18,7 +18,7 @@
     },
     "lin": {
       "download": "https://github.com/mhetrick/hetrickcv/releases/download/0.5.4/HetrickCV-0.5.4-lin.zip",
-      "sha256": "a445990de47f31304d33ce1f6f10e35b9d28536cee9b77f8c1a27e545e4fb892"
+      "sha256": "09baabf7b218f5432acd0df3e686df5066e29919b7cc0a6f09dc34927abc408b"
     }
   }
 }