fix(deps): update module github.com/spf13/viper to v1.13.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/spf13/viper	require	minor	v1.12.0 -> v1.13.0

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by Mend Renovate. View repository job log here.

[codecov-commenter]

Codecov Report

Base: 78.00% // Head: 78.00% // No change to project coverage 👍

Coverage data is based on head (8a0a334) compared to base (0820b00).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #251   +/-   ##
=======================================
  Coverage   78.00%   78.00%           
=======================================
  Files          29       29           
  Lines         973      973           
=======================================
  Hits          759      759           
  Misses        166      166           
  Partials       48       48           

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

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.