Update cpu and memory limit for devworkspace-controller

[dkwon17]

What does this PR do?

This PR updates the CPU and memory limit of the devworkspace-controller container of the devworkspace-controller-manager-* pod from 1000m to 3000m and 1Gi to 3Gi respectively.

What issues does this PR fix or reference?

Part of https://issues.redhat.com/browse/CRW-6889 Fix https://github.com/devfile/devworkspace-operator/issues/1299

Is it tested? How?

To test, run:

DWO_IMG_REPO=quay.io/<username>/<repo>
DWO_IMG_TAG=<tag>
export DWO_BUNDLE_IMG=${DWO_IMG_REPO}/devworkspace-operator-bundle:${DWO_IMG_TAG}
export DWO_INDEX_IMG=${DWO_IMG_REPO}/devworkspace-operator-index:${DWO_IMG_TAG}
export DOCKER=podman 
make generate_olm_bundle_yaml build_bundle_and_index register_catalogsource

And install the operator from OperatorHub.

Verify that the resulting devworkspace-controller-manager-* pod in the openshift-operators namespace has the new CPU and memory limit for the devworkspace-controller container.

PR Checklist

• [ ] E2E tests pass (when PR is ready, comment /test v8-devworkspace-operator-e2e, v8-che-happy-path to trigger)
  • [ ] v8-devworkspace-operator-e2e: DevWorkspace e2e test
  • [ ] v8-che-happy-path: Happy path for verification integration with Che

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AObuchow, dkwon17

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/devfile/devworkspace-operator/blob/main/OWNERS)~~ [AObuchow,dkwon17] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[AObuchow]

@dkwon17 I've opened https://github.com/devfile/devworkspace-operator/issues/1299 -- this PR is now good to merge :) Great work as always.

[dkwon17]

Thank you @AObuchow , merging