Adds sha256 hash to quay.io/skopeo import

[javorszky]

Closes #8189

Hash grabbed from https://quay.io/repository/skopeo/stable?tab=tags&tag=latest.

Proposed changes

Adds a hash to a docker import for the quay.io/skopeo image

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 53.35%. Comparing base (6b5ea85) to head (96c6576).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8190      +/-   ##
==========================================
- Coverage   53.36%   53.35%   -0.01%     
==========================================
  Files          90       90              
  Lines       21912    21912              
==========================================
- Hits        11693    11691       -2     
- Misses       9742     9744       +2     
  Partials      477      477              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[pdabelf5]

/fix branch prefix adds this as a bug fix to the release notes

[javorszky]

branch name change: #8196