MNT: (deps): Bump pandas from 2.2.3 to 2.3.0 in /ci

Bumps [pandas](https://github.com/pandas-dev/pandas) from 2.2.3 to 2.3.0.
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Commits](pandas-dev/pandas@v2.2.3...v2.3.0)

---
updated-dependencies:
- dependency-name: pandas
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

ci/requirements.txt

@@ -1,6 +1,6 @@
 python>=3.7
 matplotlib==3.10.1
 numpy==2.2.4
-pandas==2.2.3
+pandas==2.3.0
 netcdf4==1.7.2
 erddapy==2.2.3