WIP warn if parsing with du_parse
- [ ] closes #12585 (Replace xxxx with the Github issue number)
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).
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- [ ] Added an entry in the latest `doc/source/whatsnew/vX.X.X.rst` file if fixing a bug or adding a new feature.

The issue is that in
```
        df = DataFrame(
            [[1, 2], [3, 4]],
            columns=date_range("1/1/2013", "1/2/2013"),
            index=["A", "B"],
        )
        df.index.name = name

        with tm.assert_produces_warning(warn):
            result = df.reset_index()
```
, resetting the index will try to insert an element into a datetime index. hence, it'll try to parse the new element as a date, and this'll trigger the new warning

There's currently no way of catching multiple warnings, so perhaps that should be addressed first

EDIt: passing multiple warnings as a tuple works fine This pull request is stale because it has been open for thirty days with no activity. Please [update](https://pandas.pydata.org/pandas-docs/stable/development/contributing.html#updating-your-pull-request) and respond to this comment if you're still interested in working on this. > This pull request is stale because it has been open for thirty days with no activity. Please [update](https://pandas.pydata.org/pandas-docs/stable/development/contributing.html#updating-your-pull-request) and respond to this comment if you're still interested in working on this.

still working on this closing, as from https://github.com/pandas-dev/pandas/issues/12585#issuecomment-1249343334 I don't think this is the right solution



[log.txt](https://github.com/pandas-dev/pandas/files/9594114/log.txt)
