Effect binary search for last supported ST 1/n

Author: michaelblyons

.github/workflows/syntax.yml

@@ -24,11 +24,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - build: 4199
-            packages: binary
           - build: 4200
             packages: binary
-          - build: 4149
+          - build: 4175
             packages: binary
     steps:
       - uses: actions/checkout@v4