chore: tag v6.0.15

[re2zero]

Update linglong env and new tag v6.0.15.

Log: Bump version 6.0.15

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: re2zero

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[github-actions]

TAG Bot

TAG: 6.0.15
EXISTED: no
DISTRIBUTION: unstable

[deepin-bot]

TAG Bot

New tag: 6.0.15
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #218

[deepin-bot]

TAG Bot

New tag: 6.0.16
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #223

[deepin-bot]

TAG Bot

New tag: 6.0.17
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #224

[deepin-bot]

TAG Bot

New tag: 6.0.18
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #228

[deepin-bot]

TAG Bot

New tag: 6.0.19
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #232

[deepin-bot]

TAG Bot

New tag: 6.0.20
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #236