update clustering-workshop version to 2026-02-02

Author: jimboid

workshop.json

@@ -25,7 +25,7 @@
       "latest": "2026-02-02"
     },
     "clustering-workshop": {
-      "latest": "2026-01-26"
+      "latest": "2026-02-02"
     },
     "aiida-gpcr-workshop": {
       "latest": "2026-02-02"