third_party/ijar: update github url to its new location

Bazel project was moved out from google umbrella to be under bazelbuild.

BUG=None
R=dpranke@chromium.org

Review-Url: https://chromiumcodereview.appspot.com/2433163002
Cr-Commit-Position: refs/heads/master@{#426263}
GitOrigin-RevId: 4e549592e2a53143f594a2f0f3ab4fae926da296
1 file changed