Enable linter revive and resolve found errors: part1

[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-commenter]

Codecov Report

Merging #6173 (bed7d82) into main (14f31ee) will increase coverage by 0.02%.
The diff coverage is 42.24%.

@@            Coverage Diff             @@
##             main    #6173      +/-   ##
==========================================
+ Coverage   41.29%   41.31%   +0.02%     
==========================================
  Files         251      251              
  Lines       23402    23388      -14     
==========================================
- Hits         9664     9663       -1     
+ Misses      12980    12971       -9     
+ Partials      758      754       -4     

Impacted Files	Coverage Δ
pkg/backup/item_backupper.go	73.62% <0.00%> (ø)
...uilder/customresourcedefinition_v1beta1_builder.go	0.00% <0.00%> (ø)
pkg/builder/v1_customresourcedefinition_builder.go	0.00% <0.00%> (ø)
pkg/cmd/cli/nodeagent/server.go	12.44% <0.00%> (ø)
pkg/cmd/util/output/describe.go	0.00% <0.00%> (ø)
pkg/controller/backup_finalizer_controller.go	57.60% <0.00%> (ø)
pkg/controller/backup_operations_controller.go	46.51% <0.00%> (ø)
pkg/controller/pod_volume_restore_controller.go	25.00% <0.00%> (ø)
pkg/controller/server_status_request_controller.go	66.15% <ø> (ø)
pkg/install/install.go	0.00% <0.00%> (ø)
... and 46 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[kaovilai]

These lgtm! Thanks!