chore: enable early-return and superfluous-else from revive

[mmorel-35]

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Please add a summary of your change

enables and fixes early-return and superfluous-else from revive

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 (make new-changelog) or comment /kind changelog-not-required on this PR.
• Updated the corresponding documentation in site/content/docs/main.

[mmorel-35]

/kind changelog-not-required

[codecov]

Codecov Report

Attention: Patch coverage is 90.47619% with 14 lines in your changes missing coverage. Please review.

Project coverage is 59.39%. Comparing base (a9031eb) to head (f01c93f).

Files with missing lines	Patch %	Lines
internal/volume/volumes_information.go	92.74%	7 Missing and 2 partials ⚠️
pkg/uploader/kopia/block_restore.go	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8640      +/-   ##
==========================================
- Coverage   59.39%   59.39%   -0.01%     
==========================================
  Files         370      370              
  Lines       39952    39945       -7     
==========================================
- Hits        23730    23724       -6     
+ Misses      14731    14728       -3     
- Partials     1491     1493       +2     

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