fix: description/readme too large (#5420)

* fix: description/readme too large

* ci: auto fixes from pre-commit.ci

For more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: xianml

src/bentoml/_internal/bento/bento.py

@@ -580,6 +580,15 @@ def doc(self) -> str:
             return self._doc
         if not self._fs.isfile(BENTO_README_FILENAME):
             return ""
+        info = self._fs.getinfo(BENTO_README_FILENAME, ["details"])
+        if (
+            info.size > 3 * 1024 * 1024
+        ):  # 3MB, Limit of bentocloud api is 4MB, leave 1MB for other metadata
+            logger.warning(
+                "Bento README is too large (%d bytes > 3MB), skipping upload...",
+                info.size,
+            )
+            return ""
         with self._fs.open(BENTO_README_FILENAME, "r") as readme_md:
             self._doc = str(readme_md.read())
             return self._doc