Update to latest controller-runtime

[grantr]

Revision 60bb251. Improves logging and adds option to set resync period to something other than 10 hours.

[knative-prow-robot]

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[grantr]

/retest

[n3wscott]

/lgtm

[n3wscott]

I think you should add an entry into the Gopkg.toml file to call out a release version so the dep ensure call can be deterministic.

[grantr]

I'm pretty sure dep ensure is always deterministic unless a new directive is added to Gopkg.toml or dep ensure -update is used (as in this case).

For example, 8043ed8 updated Gopkg.lock by removing the serving dependency and adding the knative/pkg dependency. That run of dep ensure did not update the controller-runtime dependency, even though an update was available. The controller-runtime dependency has never been updated since it was introduced in 55f2235.

Based on that evidence, I prefer not to add constraints to Gopkg.toml when there is no practical constraint to enforce.

[grantr]

/assign @evankanderson

[grantr]

Superseded by #344.