Migrating k8s-testgrid.appspot.com link to testgrid.k8s.io (#7472)

* Migrating k8s-testgrid.appspot.com link to testgrid.k8s.io

Signed-off-by: Ritikaa96 <ritika@india.nec.com>

* Reverting changes from archive folder

Signed-off-by: Ritikaa96 <ritika@india.nec.com>

---------

Signed-off-by: Ritikaa96 <ritika@india.nec.com>

contributors/devel/sig-testing/e2e-tests.md

@@ -640,7 +640,7 @@ A quick overview of how we run e2e CI on Kubernetes.
 
 ### What is CI?
 
-We run a battery of [release-blocking jobs](https://k8s-testgrid.appspot.com/sig-release-master-blocking)
+We run a battery of [release-blocking jobs](https://testgrid.k8s.io/sig-release-master-blocking)
 against `HEAD` of the master branch on a continuous basis, and block merges
 via [Tide](https://git.k8s.io/test-infra/prow/cmd/tide) on a subset of those
 tests if they fail.

sig-node/charter.md

@@ -68,7 +68,7 @@ SIG Technical Leads
 
 [validation]: /contributors/devel/sig-node/cri-validation.md
 [testing policy]: /contributors/devel/sig-node/cri-testing-policy.md
-[test grid]: https://k8s-testgrid.appspot.com/sig-node#Summary
+[test grid]: https://testgrid.k8s.io/sig-node#Summary
 [perf dashboard]: http://node-perf-dash.k8s.io/#/builds
 [sig-governance]: https://github.com/kubernetes/community/blob/master/committee-steering/governance/sig-governance.md
 [readme]: https://github.com/kubernetes/community/tree/master/sig-node

sig-scheduling/charter.md

@@ -60,7 +60,7 @@ None
 SIG Technical Leads
 
 
-[test grid]: https://k8s-testgrid.appspot.com/sig-scheduling#Summary
+[test grid]: https://testgrid.k8s.io/sig-scheduling#Summary
 [perf dashboard]: http://perf-dash.k8s.io/
 [readme]: https://github.com/kubernetes/community/tree/master/sig-scheduling
 [sig-governance]: https://github.com/kubernetes/community/blob/master/committee-steering/governance/sig-governance.md