Fix web_base.py (#6519)
Fix for bug in SitemapLoader
`aiohttp` `get` does not accept `verify` argument, and currently throws
error, so SitemapLoader is not working
This PR fixes it by removing `verify` param for `get` function call
Fixes #6107
#### Who can review?
Tag maintainers/contributors who might be interested:
@eyurtsev
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Co-authored-by: techcenary <127699216+techcenary@users.noreply.github.com>
