Fix pynwb gitlab

[dfsp-spirit]

Changes Summary

• Install v2.3.2 of pynwb on Macos and Powerlx Gitlab runners, the errors we see on these look like they are related to older conda packages on the runners.

Reviewer Checklist

• [ ] Are testing routines present?
• [ ] Do objects in the global package namespace perform proper parsing of their input?
• [ ] Are all docstrings complete and accurate?
• [ ] Is the CHANGELOG.md up to date?

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: +0.09 :tada:

Comparison is base (6e68714) 69.08% compared to head (3ce2a62) 69.17%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #535 +/- ## ========================================== + Coverage 69.08% 69.17% +0.09% ========================================== Files 87 87 Lines 10107 10107 Branches 2121 2121 ========================================== + Hits 6982 6992 +10 + Misses 2542 2541 -1 + Partials 583 574 -9 ``` [see 7 files with indirect coverage changes](https://app.codecov.io/gh/esi-neuroscience/syncopy/pull/535/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=esi-neuroscience)

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