update mm-gbsa-workshop version to 2026-01-19

Author: jimboid

workshop.json

@@ -46,7 +46,7 @@
       "latest": "2026-01-12"
     },
     "mm-gbsa-workshop": {
-      "latest": "2026-01-12"
+      "latest": "2026-01-19"
     },
     "protein-ml-workshop": {
       "latest": "2026-01-19"