Add additional permissions for subscription admin role

[philipwu08]

• [ x ] I have taken backward compatibility into consideration.

https://issues.redhat.com/browse/ACM-7147

Need additional permissions for subscription-admin cluster role for users to be able to deploy application from UI.

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: +0.08% :tada:

Comparison is base (430c2e5) 54.52% compared to head (b906f89) 54.61%. Report is 3 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #368 +/- ## ========================================== + Coverage 54.52% 54.61% +0.08% ========================================== Files 71 71 Lines 14947 14947 ========================================== + Hits 8150 8163 +13 + Misses 5973 5956 -17 - Partials 824 828 +4 ``` | [Flag](https://app.codecov.io/gh/open-cluster-management-io/multicloud-operators-subscription/pull/368/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-cluster-management-io) | Coverage Δ | | |---|---|---| | [unit](https://app.codecov.io/gh/open-cluster-management-io/multicloud-operators-subscription/pull/368/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-cluster-management-io) | `54.61% <ø> (+0.08%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-cluster-management-io#carryforward-flags-in-the-pull-request-comment) to find out more. [see 4 files with indirect coverage changes](https://app.codecov.io/gh/open-cluster-management-io/multicloud-operators-subscription/pull/368/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-cluster-management-io)

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[philipwu08]

/assign @mikeshng

[mikeshng]

/approve

/lgtm

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mikeshng, philipwu08

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/open-cluster-management-io/multicloud-operators-subscription/blob/main/OWNERS)~~ [mikeshng,philipwu08] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment