Effect binary search for last supported ST 6/6

Author: michaelblyons

.github/workflows/syntax.yml

@@ -26,7 +26,7 @@ jobs:
         include:
           - build: 4200
             packages: binary
-          - build: 4158
+          - build: 4157
             packages: binary
     steps:
       - uses: actions/checkout@v4