WARNING: the ablog extension does not declare if it is safe for parallel reading

[felixhummel]

Describe the bug

Running sphinx-build with multiple jobs results in the following warning:

WARNING: the ablog extension does not declare if it is safe for parallel reading, assuming it isn't - please ask the extension author to check and make it explicit
WARNING: doing serial read

I don't know if ablog supports parallel reading.

If so, a simple change to the extension metadata should suffice.

To Reproduce

sphinx-build -j4 -b html -d _build/doctrees . _build/html

Screenshots

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System Details

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Installation method

No response

[plaindocs]

Looks like this would be sufficient if it is https://github.com/agronholm/sphinx-autodoc-typehints/commit/c4657bc57a290a79605ed86398db28419aabfbb9