Update source SHA: unread_counter

Author: matcha-marketplace[bot]

plugins/unread_counter.json

@@ -9,7 +9,7 @@
   },
   "repository_url": "https://github.com/floatpane/official-matcha-plugins",
   "source_branch": "master",
-  "source_sha": "f56d614aceb2235285bbee82bd68c35176af25dc",
+  "source_sha": "dfd8896fbe7bd30dd5b4b6259644f2ec0f4e2cfe",
   "file_sha": "b06774d282f5901b43c7a945368fd1ed46db9ae6",
   "sha256": "93e7515a9d196cbe2be8b3261f0c74483a5a436f8671822feee08f0f388c5f85",
   "submitted_at": "2026-06-27T14:43:14.000Z",