fix: future array shapes in chunk test and deprecation in numpy equals

[steven-murray]

Attempt to fix the problem with a huge memory allocation in the dta chunker

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.02 :warning:

Comparison is base (fa684dc) 97.21% compared to head (829c2de) 97.20%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #901 +/- ## ========================================== - Coverage 97.21% 97.20% -0.02% ========================================== Files 21 21 Lines 9454 9455 +1 ========================================== Hits 9191 9191 - Misses 263 264 +1 ``` | [Impacted Files](https://app.codecov.io/gh/HERA-Team/hera_cal/pull/901?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=HERA-Team) | Coverage Δ | | |---|---|---| | [hera\_cal/chunker.py](https://app.codecov.io/gh/HERA-Team/hera_cal/pull/901?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=HERA-Team#diff-aGVyYV9jYWwvY2h1bmtlci5weQ==) | `100.00% <100.00%> (ø)` | | | [hera\_cal/smooth\_cal.py](https://app.codecov.io/gh/HERA-Team/hera_cal/pull/901?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=HERA-Team#diff-aGVyYV9jYWwvc21vb3RoX2NhbC5weQ==) | `97.00% <100.00%> (+0.01%)` | :arrow_up: | ... and [2 files with indirect coverage changes](https://app.codecov.io/gh/HERA-Team/hera_cal/pull/901/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=HERA-Team)

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