Release: replace deprecated `repository_url` with `repository-url`

[hugovk]

There's a deprecation warning in the release workflow:

Input 'repository_url' has been deprecated with message: The inputs have been normalized to use kebab-case. Use repository-url instead.

• https://github.com/jazzband/tablib/actions/runs/4510971989

More info:

• https://github.com/pypa/gh-action-pypi-publish/releases/tag/v1.7.0

[codecov[bot]]

Codecov Report

Merging #545 (58d94e2) into master (9e6bc54) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #545   +/-   ##
=======================================
  Coverage   91.39%   91.39%           
=======================================
  Files          28       28           
  Lines        2720     2720           
=======================================
  Hits         2486     2486           
  Misses        234      234           

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[claudep]

Bonus point for the branch name!