Controller-Runtime: Use go 1.15 in tests and add presubmits for 0.7 release

[alvaroaleman]

Also adding myself to the c-r approvers just like I already am for the code: https://github.com/kubernetes-sigs/controller-runtime/blob/cf7ac887d082b481ec1389ddcd576f4140b15595/OWNERS_ALIASES#L21

/assign @vincepri @DirectXMan12

[alvaroaleman]

/hold
This shouldn't get approved by steve 🙃

[vincepri]

/approve
/hold cancel
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alvaroaleman, stevekuznetsov, vincepri

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [stevekuznetsov]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[k8s-ci-robot]

@alvaroaleman: Updated the job-config configmap in namespace default at cluster test-infra-trusted using the following files:

• key controller-runtime-presubmits-master.yaml using file config/jobs/kubernetes-sigs/controller-runtime/controller-runtime-presubmits-master.yaml
• key controller-runtime-presubmits-release-0.7.yaml using file config/jobs/kubernetes-sigs/controller-runtime/controller-runtime-presubmits-release-0.7.yaml

In response to this:

Also adding myself to the c-r approvers just like I already am for the code: https://github.com/kubernetes-sigs/controller-runtime/blob/cf7ac887d082b481ec1389ddcd576f4140b15595/OWNERS_ALIASES#L21

/assign @vincepri @DirectXMan12

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.