bump(postman): 1c47a9b1 → b7b3c7a8 (#4215)

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

.claude-plugin/marketplace.json

@@ -2412,7 +2412,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/Postman-Devrel/postman-claude-code-plugin.git",
-        "sha": "1c47a9b10170316c4eced15777ab2ac45ffdac80"
+        "sha": "b7b3c7a83486ee088844a96278411690523d389f"
       },
       "homepage": "https://learning.postman.com/docs/developer/postman-mcp-server/"
     },