MNT: (deps): Bump erddapy from 2.2.0 to 2.2.3 in /ci

Bumps [erddapy](https://github.com/ioos/erddapy) from 2.2.0 to 2.2.3.
- [Release notes](https://github.com/ioos/erddapy/releases)
- [Changelog](https://github.com/ioos/erddapy/blob/main/CHANGES.txt)
- [Commits](ioos/erddapy@v2.2.0...v2.2.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

ci/requirements.txt

@@ -3,4 +3,4 @@ matplotlib==3.9.2
 numpy==2.1.1
 pandas==2.2.2
 netcdf4==1.7.1.post2
-erddapy==2.2.0
+erddapy==2.2.3