Repair follow_symlinks bug in old aiohttp version

[NKcqx]

Why are these changes needed?

We use "static" path in aiohttp, however, when follow_symlinks is set to true, a path reverse breakdown problem will exist in the static directory file, for example:

This has been fixed in aiohttp>=3.9.3

Related issue number

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• I've run scripts/format.sh to lint the changes in this PR.
• I've included any doc changes needed for https://docs.ray.io/en/master/.
• I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
• Testing Strategy
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