chore(deps): update dependency stackexchange.redis to 2.8.22

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
StackExchange.Redis (source)	2.8.16 -> 2.8.22

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Release Notes

StackExchange/StackExchange.Redis (StackExchange.Redis)

v2.8.22

Compare Source

What's Changed

• Format IPv6 endpoints correctly when rewriting configration strings (#​2813 by @​mgravell)
• Update default Redis version from 4.0.0 to 6.0.0 for Azure Redis resources (#​2810 by @​philon-msft)
• Detect Azure Managed Redis caches and tune default connection settings for them (#​2818 by @​philon-msft)
• Bump Microsoft.Bcl.AsyncInterfaces dependency from 5.0.0 to 6.0.0 (#​2820 by @​NickCraver)

Full Changelog: StackExchange/StackExchange.Redis@2.8.16...2.8.22

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