update the testgrid link for kubemark-100-benchmark perf-tests
update the testgrid link for kubemark-100-benchmark perf-tests

Signed-off-by: William Zhang <0b388d25903a58ff18b81874d3b9f05308e0d2b4@zte.com.cn>

kubernetes/perf-tests,kubernetes/perf-tests,sjug/perf-tests,shyamjvs/perf-tests,shyamjvs/perf-tests,kubernetes/perf-tests,shyamjvs/perf-tests,shyamjvs/perf-tests,shyamjvs/perf-tests,sjug/perf-tests,sjug/perf-tests,sjug/perf-tests,kubernetes/perf-tests,kubernetes/perf-tests,sjug/perf-tests