bump(looker): e05aac7d → 8ca746f8 (#4337)

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

.claude-plugin/marketplace.json

@@ -1856,7 +1856,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/gemini-cli-extensions/looker.git",
-        "sha": "e05aac7d0287e337ff13cfa3183f39675d67dd97"
+        "sha": "8ca746f8d6b0079d1f872c96bd3e0530bf4571d3"
       },
       "homepage": "https://github.com/gemini-cli-extensions/looker"
     },