Bump redis from 4.6.0 to 4.8.1

[dependabot[bot]]

Bumps redis from 4.6.0 to 4.8.1.

Changelog

Sourced from redis's changelog.

4.8.1

• Automatically reconnect after fork regardless of reconnect_attempts

4.8.0

• Introduce sadd? and srem? as boolean returning versions of sadd and srem.
• Deprecate sadd and srem returning a boolean when called with a single argument. To enable the redis 5.0 behavior you can set Redis.sadd_returns_boolean = false.
• Deprecate passing timeout as a positional argument in blocking commands (brpop, blop, etc).

4.7.1

• Gracefully handle OpenSSL 3.0 EOF Errors (OpenSSL::SSL::SSLError: SSL_read: unexpected eof while reading). See #1106 This happens frequently on heroku-22.

4.7.0

• Support single endpoint architecture with SSL/TLS in cluster mode. See #1086.
• zrem and zadd act as noop when provided an empty list of keys. See #1097.
• Support IPv6 URLs.
• Add Redis#with for better compatibility with connection_pool usage.
• Fix the block form of multi called inside pipelined. Previously the MUTLI/EXEC wouldn't be sent. See #1073.

Commits

• 0afcf1c Release 4.8.1
• 4f5c059 Automatically reconnect after fork regardless of reconnect_attempts
• d0d7355 Merge pull request #1146 from bpo/fix-sadd-returns-boolean-changelog
• 47f4ff6 fix changelog instructions for enabling 5.0 behavior
• 9edb204 Merge pull request #1137 from tgxworld/fix_deprecation_note
• a8dd1d8 Fix deprecation note for srem
• 4e9d73d Release 4.8.0
• 0075cdf Merge pull request #1134 from casperisfine/4.x-deprecations
• 08eea74 Deprecate passing timeout as a positional argument in blocking commands
• 47a6f93 Add sadd? and srem?, deprecate boolean return of sadd and srem
• Additional commits viewable in compare view

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