fix: newline gets stripped if wrapper + secrets:// is used.

[jkroepke]

What this PR does / why we need it:

Values with secrets:// are now passed to helm directly.

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged):

• fixes Newline gets stripped from last multiline secret #714
• closes fix(decrypt): ensure decrypted file ends with newline to prevent last multiline value truncation #730

Special notes for your reviewer:

PR Readiness Checklist:

Complete these before marking the PR as ready to review:

• the CHANGELOG.md release notes have been updated to reflect any significant (and particularly user-facing) changes introduced by this PR

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.46%. Comparing base (df76d46) to head (9e461a1).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #791      +/-   ##
==========================================
+ Coverage   86.42%   86.46%   +0.04%     
==========================================
  Files          22       22              
  Lines         869      872       +3     
==========================================
+ Hits          751      754       +3     
  Misses        118      118              

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