bump(pixeltable): cd570553 → 70ec6a26 (#6177)

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

.claude-plugin/marketplace.json

@@ -2724,7 +2724,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/pixeltable/pixeltable-skill.git",
-        "sha": "cd5705537bd2cbc95269706e9092d623e754b05d"
+        "sha": "70ec6a268a29b081b7d29e55fe0221ddf6064a9e"
       },
       "homepage": "https://docs.pixeltable.com"
     },