Add release workflow

[ehennestad]

Motivation

Create a workflow to use for preparing new releases.
The workflow is triggered via workflow_dispatch, so it can be run from the Actions page. It requires a version number as an input and will run the following jobs/steps

• Matrix testing across all available MATLAB releases on ubuntu-latest, windows-latest and macos-13
• Publish test results

If tests succeed:

• It will update the version number in a newly added Contents.m file and push back to the main branch
• Create a tested_with badge that will be pushed to the gh-badges branch
• Create a new draft release using the version number as a tag.

How to test the behavior?

Run the workflow

Checklist

• Have you ensured the PR description clearly describes the problem and solutions?
• Have you checked to ensure that there aren't other open or previously closed Pull Requests for the same change?
• If this PR fixes an issue, is the first line of the PR description fix #XX where XX is the issue number?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.86%. Comparing base (d38a5f7) to head (df2431f).
Report is 19 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #699   +/-   ##
=======================================
  Coverage   94.86%   94.86%           
=======================================
  Files         146      146           
  Lines        5552     5552           
=======================================
  Hits         5267     5267           
  Misses        285      285           

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🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.