MNT: (deps): Bump pandas from 2.2.2 to 2.2.3 in /ci (#320)

Bumps [pandas](https://github.com/pandas-dev/pandas) from 2.2.2 to 2.2.3.
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Commits](pandas-dev/pandas@v2.2.2...v2.2.3)

---
updated-dependencies:
- dependency-name: pandas
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

ci/requirements.txt

@@ -1,6 +1,6 @@
 python>=3.7
 matplotlib==3.9.2
 numpy==2.1.1
-pandas==2.2.2
+pandas==2.2.3
 netcdf4==1.7.1.post2
 erddapy==2.2.0