Bump 8.8 image

[uglide]

Note

Low Risk
Only test Docker image tags change; no application or runtime code is affected.

Overview
Updates the Redis 8.8 test stack to use a custom client-libs-test image (custom-26235535976-debian) instead of 8.8-rc1.

The new tag is set in tests/dockers/.env.v8.8 and as the default in tests/dockers/docker-compose.yml for both standalone and cluster services, so CI and local compose runs pull the same image when CLIENT_LIBS_TEST_IMAGE is unset.

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[jit-ci]

🛡️ Jit Security Scan Results

✅ No security findings were detected in this PR

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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[cursor]

Custom CI build image used as permanent default

Medium Severity

The image tag custom-26235535976-debian appears to be a transient CI build artifact (the numeric portion resembles a GitHub Actions run ID), unlike every other version which uses stable release tags (e.g., 8.6.3, 8.4.3). If this custom image is cleaned up from the registry, all CI runs using the v8.8 profile — and any run not specifying an env file (since docker-compose.yml defaults were also changed) — will fail. This looks like a temporary testing reference that may not be intended for permanent commit.

Additional Locations (2)

• tests/dockers/docker-compose.yml#L5-L6
• tests/dockers/docker-compose.yml#L23-L24

 

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[mgravell]

This one is already covered by #494, and 8.8 GA is now available; probably easier to do there all in one place