Starting month ignored by resample

[KatsiarynaDzibrova]

• [x] closes #29576
• [ ] Tests added and passed
• [ ] All code checks passed.
• [ ] Added type annotations to new arguments/methods/functions.
• [ ] Added an entry in the latest doc/source/whatsnew/vX.X.X.rst file if fixing a bug or adding a new feature.

[KatsiarynaDzibrova]

I can see that other tests fail, so my solution doesn't seem to be correct. I'll look deeper into why the issue occurs

[github-actions[bot]]

This pull request is stale because it has been open for thirty days with no activity. Please update and respond to this comment if you're still interested in working on this.

[mroeschke]

Thanks for the pull request, but it appears to have gone stale. If interested in continuing, please merge in the main branch, address any review comments and/or failing tests, and we can reopen.