[Enhancement]: aws elasticache redis - support redis v7

[elrob]

Description

Support 7+ versions of AWS elasticache redis which require engine_version values which do not support the .x syntax introduced in version 6 (e.g. 6.x). Details are in the issue discussion linked below.

Relations

Closes #27918

[github-actions]

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[gdavison]

Thanks for the PR, @elrob 🚀

--- PASS: TestAccElastiCacheReplicationGroup_EngineVersion_v7 (796.83s)

[github-actions]

This functionality has been released in v5.3.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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If you have found a problem that seems related to this change, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.