fix(deps): update rust crate bb8 to 0.8.6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
bb8	dependencies	patch	0.8.5 -> 0.8.6

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Release Notes

djc/bb8 (bb8)

v0.8.6

Compare Source

What's Changed

• Use Relaxed ordering mode by @​pfreixes in https://github.com/djc/bb8/pull/210
• Bump MSRV to 1.70 (for tokio 1.39) by @​djc in https://github.com/djc/bb8/pull/213
• Add Pool::add by @​tneely in https://github.com/djc/bb8/pull/214
• Add FUNDING metadata by @​djc in https://github.com/djc/bb8/pull/222
• Change notify_waiters to notify_one on broken conns by @​tneely in https://github.com/djc/bb8/pull/225
• Polish for fixes from #​223 and #​224 by @​djc in https://github.com/djc/bb8/pull/226

Please consider sponsoring ongoing maintenance or contact @​djc to discuss commercial support.

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