ci: configure Pull GH App bot to use tide label

[tarilabs]

To avoid potential forgetful events, ensure tide label is maintained for PR raised by Pull GH App.

Description

How Has This Been Tested?

Merge criteria:

• The commits and have meaningful messages; the author will squash them after approval or will ask to merge with squash.
• [n/a] Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• [n/a] The developer has manually tested the changes and verified that the changes work

[rkubis]

/retest

[rkubis]

/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rkubis, tarilabs

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [rkubis,tarilabs]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment