Bump milvus version to v2.6.8
Signed-off-by: sre-ci-robot sre-ci-robot@users.noreply.github.com
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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**Core Invariant**: This PR assumes the Milvus v2.6.8 Docker image is a
stable, compatible release that can transparently replace v2.6.7 in
standalone embed configurations without breaking backward compatibility.
**What Changed**: Updated the Milvus Docker image tag from `v2.6.7` to
`v2.6.8` in two standalone embedding configuration scripts:
- `scripts/standalone_embed.bat` (line 83)
- `scripts/standalone_embed.sh` (line 62)
**Why This Is Safe**: These scripts only specify the container image
version and pass through pre-existing configuration files
(`embedEtcd.yaml`, `user.yaml`) to the container. No local logic, data
schemas, or API contracts are modified—the container startup behavior
remains identical, just pulling a newer upstream image tag. Version
increments within the same major.minor series (v2.6.x) follow semantic
versioning conventions ensuring no breaking changes.
**Impact**: Users pulling or running these standalone embed scripts will
automatically use the newer v2.6.8 Milvus release, receiving bug fixes
and enhancements from the patch version bump while maintaining
compatible behavior with existing configurations.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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