Update eredis to 1.2.17

[hjianbo]

Summary

• Update the eredis git dependency tag from 1.2.16 to 1.2.17.
• Bump eredis_cluster VERSION to 0.8.11 for the follow-up release.
• Make CI Redis image pulls resilient to Public ECR rate limits by falling back to Docker Hub and using a local image tag for docker compose.

Notes

• PR Update eredis to 1.2.17 #47 is open against master and currently has no comments or reviews requiring changes.
• master is currently tagged 0.8.10; 0.8.11 is the next version on the 0.8 line.
• The observed CI failure was in the pull redis image step: public.ecr.aws returned 'toomanyrequests: Rate exceeded'.

Validation

• docker compose config --quiet
• env REDIS_IMAGE=eredis-cluster-redis docker compose config
• rebar3 compile
• rebar3 xref skip_deps=true
• docker compose up -d --wait
• rebar3 eunit -v -c
• rebar3 cover -v
• docker compose down

[Copilot]

Pull request overview

Updates dependency and release metadata for eredis_cluster to align with the upstream eredis 1.2.17 release.

Changes:

• Bump eredis git dependency tag from 1.2.16 to 1.2.17.
• Update project VERSION to 0.8.11.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated 1 comment.

File	Description
VERSION	Updates the library release version to 0.8.11.
rebar.config	Bumps the eredis dependency tag to 1.2.17.

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