Bump base image and golang version to fix CVEs.

[blackpiglet]

Thank you for contributing to Velero!

Please add a summary of your change

Does your change fix a particular issue?

Fixes #(issue)

Please indicate you've done the following:

• Accepted the DCO. Commits without the DCO will delay acceptance.
• Created a changelog file or added /kind changelog-not-required as a comment on this pull request.
• Updated the corresponding documentation in site/content/docs/main.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.77%. Comparing base (cd601ca) to head (fb146cd).
Report is 2 commits behind head on release-1.14.

Additional details and impacted files

@@              Coverage Diff              @@
##           release-1.14    #8118   +/-   ##
=============================================
  Coverage         58.77%   58.77%           
=============================================
  Files               346      346           
  Lines             28824    28824           
=============================================
  Hits              16940    16940           
  Misses            10455    10455           
  Partials           1429     1429           

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