fix(webhook): make label selectors unambiguous (backport #926)

[mergify]

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---

Fixes: #924

Description of the change:

• Adds app.kubernetes.io/name label to all operator objects using commonLabels Kustomize property
• Cleanup: uncomments patch to remove cert volume and mount from bundle manifests, which is unneeded when run as a bundle

Motivation for the change:

• Fixes a bug where webhook requests may be sent to other operators in the same namespace

How to manually test:

1. Install another operator with a webhook (e.g. Infinispan Operator)
2. Deploy this PR into the same namespace
3. Exercise webhooks by creating and modifying Cryostat CRs

---

This is an automatic backport of pull request #926 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of 25de979 has failed:

On branch mergify/bp/cryostat-v3.0/pr-926
Your branch is up to date with 'origin/cryostat-v3.0'.

You are currently cherry-picking commit 25de979.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   bundle/manifests/cryostat-operator-cryostat-namespaced_rbac.authorization.k8s.io_v1_clusterrole.yaml
	modified:   bundle/manifests/cryostat-operator-cryostat_rbac.authorization.k8s.io_v1_clusterrole.yaml
	modified:   bundle/manifests/cryostat-operator-manager-config_v1_configmap.yaml
	modified:   bundle/manifests/cryostat-operator-oauth-client_rbac.authorization.k8s.io_v1_clusterrole.yaml
	modified:   bundle/manifests/cryostat-operator-webhook-service_v1_service.yaml
	modified:   bundle/manifests/operator.cryostat.io_cryostats.yaml
	modified:   config/default/kustomization.yaml
	modified:   config/manifests/kustomization.yaml

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   bundle/manifests/cryostat-operator.clusterserviceversion.yaml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[ebaron]

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