Run test jobs on changes to bazelisk-build role

If we make changes to bazelisk-build, we want to make sure we
run these jobs.

Change-Id: I10ce9fd96a205e2cb1d489472c72654c43fa0c9f
diff --git a/zuul.d/test-jobs.yaml b/zuul.d/test-jobs.yaml
index 8624352..7015165 100644
--- a/zuul.d/test-jobs.yaml
+++ b/zuul.d/test-jobs.yaml
@@ -55,6 +55,7 @@
       gerrit_plugin: gitiles
     files:
       - roles/ensure-bazelisk/.*
+      - roles/bazelisk-build/.*
       - roles/prepare-gerrit-repos/.*
       - roles/copy-plugin-deps/.*
       - playbooks/gerrit-plugin/build.yaml
@@ -64,6 +65,7 @@
     parent: gerrit-build
     files:
       - roles/ensure-bazelisk/.*
+      - roles/bazelisk-build/.*
       - roles/prepare-gerrit-repos/.*
       - roles/copy-plugin-deps/.*
       - playbooks/gerrit/.*