azure-storage-blob needs linting updates for pylint version 4.0.4

**ACTION NEEDED:** This version of pylint will be merged on **2026-07-13**. The build will begin to fail for this library if errors are not fixed. **Library name:** azure-storage-blob **Pylint version:** 4.0.4 **Pylint Build:** [Link to build (2026-06-28)](https://dev.azure.com/azure-sdk/internal/_build/results?buildId=6491369&view=logs&j=ee04b200-fd9d-5142-c236-441a8412d6d5&t=b33d1587-3539-5735-af43-e3e62f02ca4b) **How to fix:** Run the `next-pylint` azpysdk command at the library package-level and resolve the linting errors. 1) `/mnt/vss/_work/1/s>pip install -e ./eng/tools/azure-sdk-tools` 2) `../azure-storage-blob>azpysdk next-pylint --isolate .` See the [Pylint Guide](https://github.com/Azure/azure-sdk-for-python/blob/main/doc/dev/pylint_checking.md) for more information.