bump(superpowers): 284be590 → b62616fc (#2963)

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

.claude-plugin/marketplace.json

@@ -2730,7 +2730,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/obra/superpowers.git",
-        "sha": "284be5905ed540d34ce5bcde24728b9b7f413ea0"
+        "sha": "b62616fc12f6a007c6fd5118146821d748da0d33"
       },
       "homepage": "https://github.com/obra/superpowers.git"
     },