add fetch depth param to changelog workflow

[epassaro]

Description

This should fix the error from the workflow. I've seen this error in the past, you need to fetch the entire repo (not just the tip) to push changes.

Motivation and context

How has this been tested?

• Testing pipeline.
• Other.

Examples

Type of change

• Bug fix.
• New feature.
• Breaking change.
• None of the above.

Checklist

• My change requires a change to the documentation.
  • I have updated the documentation accordingly.
  • (optional) I have built the documentation on my fork following the instructions.
• I have assigned and requested two reviewers for this pull request.

[github-actions]

Before a PR is accepted, it must meet the following criteria:

• Is the necessary information provided?
  • Does the PR have a complete description? Does it explain what the PR is attempting to do/fix, does it explain how it does this?
  • Is there an explanation of why this PR is needed?
  • Please use the TARDIS PR template
• Is this a duplicate PR?
  • If a new PR is clearly a duplicate, ask how this PR is different from the original PR?
  • If this PR is about to be merged, close the original PR with a link to this new PR that solved the issue.
• Does it pass existing tests and are new tests provided if required?
  • The test coverage should not decrease, and for new features should be at or very close to 100%.
• Is the code properly documented?
  • If this modifies existing code, then the docs should be updated. If this adds a new feature, additional documentation should be created.
  • Sphinx and docstrings in the code (in numpydoc format)
• Does this conform to PEP 8 and the TARDIS style guidelines?
• Does the PR fix the problem it describes?
  • Make sure it doesn’t e.g. just fix the problem for a specific case
  • Is this the best way of fixing the problem?
• Is the code tidy?
  • No unnecessary print lines or code comments