bump(togetherai-skills): 7f586989 → 421cab3e (#3980)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.claude-plugin/marketplace.json

@@ -3149,7 +3149,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/togethercomputer/skills.git",
-        "sha": "7f586989c0d7d0dd3ccfac3d81a40e0d7369c117"
+        "sha": "421cab3e3a3d0c6d0c25f8c447f5732e7f15a58c"
       },
       "homepage": "https://www.together.ai"
     },