update citation.cff version

Author: VeckoTheGecko

CITATION.cff

@@ -16,7 +16,7 @@ authors:
   - name: "The Parcels contributors"
     website: "https://github.com/OceanParcels/parcels/graphs/contributors"
 title: "Parcels"
-version: 2.4.2
-doi: 10.5281/zenodo.8010997
-date-released: 2023-06-06
+version: 3.1.0
+doi: 10.5281/zenodo.14001000
+date-released: 2024-10-28
 url: "https://github.com/OceanParcels/parcels"

docs/community/maintainer.md

@@ -22,7 +22,7 @@
 - Go to GitHub, draft new release. Enter name of version and "create new tag" if it doesn't already exist. Click "Generate Release Notes". Currate release notes as needed. Look at a previous version release to match the format (title, header, section organisation etc.)
 - Go to [conda-forge/parcels-feedstock](https://github.com/conda-forge/parcels-feedstock), create a new issue (select the "Bot Commands" issue from the menu) with title `@conda-forge-admin, please update version`. This will prompt a build, otherwise there can be a delay in the build.
   - Approve PR and merge on green
-- Update version in `CITATION.cff` file
+- Update version, DOI, and release date in `CITATION.cff` file (use [Parcels Zenodo entry](https://zenodo.org/records/14001000) as reference)
 - Check "publish to PyPI" workflow succeeded
 - Update oceanparcels.org
   - Parcels development status