Don't use Unicode escape sequences

It seems they are not recognized.. I don't know why, but who cares

action.yml

@@ -66,7 +66,7 @@ runs:
             if ($actualHash -ine $expectedHash) {
               throw "Invalid hash of the downloaded setup!`nExpected: $expectedHash`nActual  : $actualHash"
             } else {
-              Write-Output -InputObject "`u{2705} The downloaded file has the expected hash ($expectedHash)"
+              Write-Output -InputObject "The downloaded file has the expected hash ($expectedHash)"
             }
           }
         }