Fix tests

[kelly-sovacool]

Changes

A couple of tests that use subprocess.run started failing within the last couple of days even though the code didn't change. They succeed locally but fail in github actions.

=========================== short test summary info ============================
FAILED tests/test_cli.py::test_version_cmd - AssertionError: assert False
 +  where False = <built-in method startswith of str object at 0x7f8835bf88f0>('VERSION file path')
 +    where <built-in method startswith of str object at 0x7f8835bf88f0> = '0.3.2-dev\n'.startswith
FAILED tests/test_cli.py::test_send_email - subprocess.CalledProcessError: Command 'ccbr_tools send-email -d' returned non-zero exit status 1.
============ 2 failed, 105 passed, 2 skipped, 4 warnings in 21.43s =============

Issues

PR Checklist

(Strikethrough any points that are not applicable.)

• This comment contains a description of changes with justifications, with any relevant issues linked.
• [ ] Write unit tests for any new features, bug fixes, or other code changes.
• [ ] Update docs if there are any API changes.
• [ ] Update CHANGELOG.md with a short description of any user-facing changes and reference the PR number. Guidelines: https://keepachangelog.com/en/1.1.0/

[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 73.79%. Comparing base (7fc89d2) to head (4f871b2).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
src/ccbr_tools/send_email.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #77      +/-   ##
==========================================
- Coverage   74.05%   73.79%   -0.27%     
==========================================
  Files          22       22              
  Lines        1588     1595       +7     
==========================================
+ Hits         1176     1177       +1     
- Misses        412      418       +6     

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