Update tj-actions/sync-release-version action to v8.7

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tj-actions/sync-release-version	action	minor	v8.6 -> v8.7

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Release Notes

tj-actions/sync-release-version

v8.7

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Full Changelog

Closed issues:

• Dependency Dashboard #​49
• Convert to composite action. #​33

Merged pull requests:

• Return boolean true for initial release #​66 (jackton1)
• Update pascalgn/automerge-action action to v0.14.2 #​65 (renovate[bot])
• Bump peter-evans/create-pull-request from 3.9.2 to 3.10.0 #​64 (dependabot[bot])
• Update tj-actions/verify-changed-files action to v6.2 #​63 (renovate[bot])
• Update cirrus-actions/rebase action to v1.5 #​62 (renovate[bot])
• Bump peter-evans/create-pull-request from 3.9.1 to 3.9.2 #​61 (dependabot[bot])
• Bump reviewdog/action-shellcheck from 1 to 1.5 #​60 (dependabot[bot])
• Bump actions/checkout from 2 to 2.3.4 #​59 (dependabot[bot])
• Bump peter-evans/create-pull-request from 3 to 3.9.1 #​58 (dependabot[bot])
• Bump tj-actions/verify-changed-files from v6 to v6.1 #​56 (dependabot[bot])
• Update tj-actions/sync-release-version action to v8.6 #​55 (renovate[bot])
• Upgraded to v8.6 #​54 (jackton1)

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Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻️ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box.

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