chore(workflows/docker): fix image-ref for dfinit in trivy scanner

[gaius-qi]

Description

This pull request includes a change to the .github/workflows/docker.yml file to update the image-ref used in the Trivy vulnerability scanner step.

• .github/workflows/docker.yml: Changed the image-ref from dragonflyoss/${{ matrix.module }} to dragonflyoss/dfinit in the Trivy vulnerability scanner step.

Related Issue

Motivation and Context

Screenshots (if appropriate)

[chlins]

lgtm

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 33.12%. Comparing base (617db57) to head (d51c9d4).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #991   +/-   ##
=======================================
  Coverage   33.12%   33.12%           
=======================================
  Files          59       59           
  Lines        9750     9750           
=======================================
  Hits         3230     3230           
  Misses       6520     6520