Update glab-version to 1.85.0 from 1.57.0

[zosopentoolsmain]

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[augmentcode]

🤖 Augment PR Summary

Summary: Updates the pinned GLab (GitLab CLI) version used by this port.

Changes:

• Bumped GITLAB_CLI_VERSION in buildenv from 1.57.0 to 1.85.0, which also updates the stable tag (v${GITLAB_CLI_VERSION}) used for builds.

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[augmentcode]

GITLAB_CLI_VERSION is bumped to 1.85.0, but upstream v1.85.0’s go.mod declares go 1.25.4; this will likely fail to build on environments still pinned to older Go toolchains (e.g., CI nodes labeled go_120). Consider verifying the Go toolchain used by check_go/CI is compatible before merging to avoid a stable-line build break.

Severity: high

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