Update deploy CI to use latest githubrelease

[rly]

Motivation

Hopefully this works after the release today of https://github.com/j0057/github-release

How to test the behavior?

Deploy a release

Checklist

• Did you update CHANGELOG.md with your changes?
• Have you checked our Contributing document?
• Have you ensured the PR clearly describes the problem and the solution?
• Is your contribution compliant with our coding style? This can be checked running flake8 from the source directory.
• Have you checked to ensure that there aren't other open Pull Requests for the same change?
• Have you included the relevant issue number using "Fix #XXX" notation where XXX is the issue number? By including "Fix #XXX" you allow GitHub to close issue #XXX when the PR is merged.

[codecov]

Codecov Report

Merging #759 (02aa80d) into dev (8477ff9) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #759   +/-   ##
=======================================
  Coverage   87.59%   87.59%           
=======================================
  Files          44       44           
  Lines        8837     8837           
  Branches     2035     2035           
=======================================
  Hits         7741     7741           
  Misses        781      781           
  Partials      315      315           

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[rly]

This PR also includes a fix for the broken conda jobs in the CI.