fix 332: to address column typo asper doc

[indiVar0508]

Attempt to address #332 ,

based on API documentation parameters section asks for columns but class parameter accepts column.

added a deprecation warning for column with message to use columns instead

[lafrech]

Thanks. This makes sense. I'm surprised this doesn't seem to trigger warnings in the tests.

Adding a test using the feature and one triggering the warning would be nice.

Please also add yourself to authors file.

[lafrech]

Thanks. Just a minor comment.

[lafrech]

Thanks.

[lafrech]

I don't have permissions to push to dev branch.

@sloria, if you pass by, here's the changelog I was writing.

0.29.0 (2022-09-07)
+++++++++++++++++++

Features:

* Rename ``column`` argument of field ``marshmallow_sqlalchemy.fields.Related``
  into ``columns`` to match the API documentation. Deprecate the use of
  ``column``. (:issue:`332`)
  Thanks :user:`bbbart` for reporting and :user:`indiVar0508` for the PR.

[sloria]

@lafrech changelog looks good to me.

I don't have permissions to push to dev branch.

odd, i just checked the repo settings and i don't see anything that should block you. i bumped you up to have Maintain privs. can you try again?

[lafrech]

I'm one commit ahead of dev and I try to push.

* 8031311 2022-09-07 | Bump version and update changelog (HEAD -> dev) [Jérôme Lafréchoux]
*   4f8ac18 2022-09-07 | Merge pull request #461 from indiVar0508/fix_332_address_docs_typo (origin/dev, origin/HEAD) [Jérôme Lafréchoux]

$ LANG=EN git push
Enumerating objects: 11, done.
Counting objects: 100% (11/11), done.
Delta compression using up to 2 threads
Compressing objects: 100% (5/5), done.
Writing objects: 100% (6/6), 732 bytes | 732.00 KiB/s, done.
Total 6 (delta 4), reused 0 (delta 0), pack-reused 0
remote: Resolving deltas: 100% (4/4), completed with 4 local objects.
remote: error: GH006: Protected branch update failed for refs/heads/dev.
remote: error: Required status check "marshmallow-code.marshmallow-sqlalchemy" is expected.
To github.com:marshmallow-code/marshmallow-sqlalchemy.git
 ! [remote rejected] dev -> dev (protected branch hook declined)
error: failed to push some refs to 'github.com:marshmallow-code/marshmallow-sqlalchemy.git'

We've seen this already and I don't remember what solved it.

• Update AUTHORS marshmallow#1365
• Only allow users to specify a single location per parse call & pass full location data to schema.load webargs#420

Looks like a branch protection issue. I don't think I have access to that in the settings. I'm surprised that the status of maintainer doesn't let me bypass this, though.

(I didn't mean to become a maintainer, but since I use this lib I thought I'd do what I can to help so I use my merge permission to help merging automatic and occasional PRs. I don't know the code enough to provide real contributions.)