Add netcdf4 to goci2 optional dependency in `pyproject.toml`

[Isotr0py]

• This PR adds goci2 optional dependency with netCDF4 >= 1.1.8 since we used NetCDF4FileHandler for GOCI2 reader.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 95.95%. Comparing base (1742616) to head (32df750). Report is 3 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2799 +/- ## ======================================= Coverage 95.95% 95.95% ======================================= Files 379 379 Lines 53861 53861 ======================================= Hits 51680 51680 Misses 2181 2181 ``` | [Flag](https://app.codecov.io/gh/pytroll/satpy/pull/2799/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pytroll) | Coverage Δ | | |---|---|---| | [behaviourtests](https://app.codecov.io/gh/pytroll/satpy/pull/2799/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pytroll) | `4.09% <ø> (ø)` | | | [unittests](https://app.codecov.io/gh/pytroll/satpy/pull/2799/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pytroll) | `96.04% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pytroll#carryforward-flags-in-the-pull-request-comment) to find out more.

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[coveralls]

Pull Request Test Coverage Report for Build 9041420548

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 96.029%

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Totals
Change from base Build 9020304102:	0.0%
Covered Lines:	51552
Relevant Lines:	53684

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💛 - Coveralls