Bug 1722894: pkg/operator: Add FailedToSync Reason

[LorbusChris]

Setting reason to error message can cause Prometheus to report too many series and can potentially bring it down completely.
This patch adds a reason constant to fix the above.

This will be followed up with the addition of more reason constants.

[openshift-ci-robot]

@LorbusChris: This pull request references a valid Bugzilla bug.

In response to this:

Bug 1722894: pkg/operator: Add FailedToSync Reason

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[runcom]

/cherrypick release-4.1

[openshift-cherrypick-robot]

@runcom: once the present PR merges, I will cherry-pick it on top of release-4.1 in a new PR and assign it to you.

In response to this:

/cherrypick release-4.1

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[runcom]

4.1.z BZ is here https://bugzilla.redhat.com/show_bug.cgi?id=1722887 - Christian's going to reference it in the backport PR as well.

[runcom]

/approve
/lgtm

[runcom]

/retest

[cgwalters]

/approve
/lgtm

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cgwalters, LorbusChris, runcom

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[openshift-cherrypick-robot]

@runcom: new pull request created: #879

In response to this:

/cherrypick release-4.1

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.