fix: obsolete % char for weights

[Spreadcat]

Description

This change removes the additional %-char that shows up when handing
over a new issue to the gitlab GUI.

Related Issue

Resolves #874

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation
• Chore (Related to CI or Packaging to platforms)

[profclems]

LTGM! Thanks @Spreadcat

[codecov]

Codecov Report

Merging #876 (4793c88) into trunk (db39e2a) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##            trunk     #876   +/-   ##
=======================================
  Coverage   59.31%   59.31%           
=======================================
  Files          93       93           
  Lines        7384     7384           
=======================================
  Hits         4380     4380           
  Misses       2619     2619           
  Partials      385      385           

Impacted Files	Coverage Δ
commands/issue/create/issue_create.go	32.01% <0.00%> (ø)

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