build: use pre-build policy container

[l1b0k]

ghcr.io/aliyuncontainerservice/terway-policy:20220412-a5beea9@sha256:6e0345d8d4b5ed0d28bc3fade0478dae13e0ff03fec24a51f9c3408699360b09
registry.cn-hongkong.aliyuncs.com/acs/terway:policy-20220412-a5beea9@sha256:6e0345d8d4b5ed0d28bc3fade0478dae13e0ff03fec24a51f9c3408699360b09

[codecov-commenter]

Codecov Report

Merging #347 (d7de72d) into main (7b09234) will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##            main    #347   +/-   ##
=====================================
  Coverage   4.37%   4.37%           
=====================================
  Files        121     121           
  Lines      10930   10930           
=====================================
  Hits         478     478           
  Misses     10417   10417           
  Partials      35      35           

Flag	Coverage Δ
unittests	4.37% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7b09234...d7de72d. Read the comment docs.