[release-2.10] Add Renovate configuration

[openshift-cherrypick-robot]

This is an automated cherry-pick of #613

/assign dhaiducek

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JustinKuli, openshift-cherrypick-robot

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](https://github.com/stolostron/governance-policy-addon-controller/blob/release-2.10/OWNERS)~~ [JustinKuli] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud