Bump timeout to 20 minutes.

Apparently repo will sometimes run slow at checking out files locally on disk,
depending on GKE I/O performance.
1 file changed
tree: da68756f846c2a270933bee3d1e9f8cedcbefc43
  1. cicd/
  2. operator-configs/
  3. tools/
  4. vars/
  5. Makefile