bump(ui-theme-designer): c6ac4390 → 6c0910f8 (#4363)

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

.claude-plugin/marketplace.json

@@ -3439,7 +3439,7 @@
         "url": "https://github.com/SAP/ui-theme-designer-plugins-for-coding-agents.git",
         "path": "plugins/ui-theme-designer",
         "ref": "main",
-        "sha": "c6ac4390403fa4ab2fa65f8b4001a03a19ee727c"
+        "sha": "6c0910f8b5ef0689090752ed242a713e4f5877f9"
       },
       "homepage": "https://github.com/SAP/ui-theme-designer-plugins-for-coding-agents"
     },