Add changelog for v0.3.0 (#104)

Add changelog for Choclo v0.3.0. Include link to new docs in
`versions.rst`.

doc/changes.rst

@@ -3,6 +3,42 @@
 Changelog
 =========
 
+Version 0.3.0
+-------------
+
+Released on: 2024/10/08
+
+doi: https://doi.org/10.5281/zenodo.13905447
+
+Bug fixes:
+
+- Fix bug on ``safe_log`` and solves discontinuous magnetic fields (`#100 <https:/fatiando/choclo/pull/100>`__)
+
+New features:
+
+- Add forward modelling functions for the magnetic gradiometry components of prisms (`#97 <https:/fatiando/choclo/pull/97>`__)
+
+Maintenance:
+
+- Run tests with oldest dependencies on x86 macos (`#83 <https:/fatiando/choclo/pull/83>`__)
+- Replace ``_version_generated.py`` for ``_version.py`` in Makefile (`#82 <https:/fatiando/choclo/pull/82>`__)
+- Update how output variables are stored in Actions (`#90 <https:/fatiando/choclo/pull/90>`__)
+- Move push to codecov to its own job in Actions (`#88 <https:/fatiando/choclo/pull/88>`__)
+- Replace ``build`` for ``python-build`` in ``environment.yml`` (`#91 <https:/fatiando/choclo/pull/91>`__)
+- Simplify tests for prism magnetic forward funcs (`#96 <https:/fatiando/choclo/pull/96>`__)
+- Add some more tests for ``_safe_log`` (`#101 <https:/fatiando/choclo/pull/101>`__)
+
+Documentation:
+
+- Replace Sphinx napoleon for numpydoc (`#84 <https:/fatiando/choclo/pull/84>`__)
+- Fix style errors in docstrings (`#85 <https:/fatiando/choclo/pull/85>`__)
+- Improve docstrings of ``magnetic_field`` functions (`#87 <https:/fatiando/choclo/pull/87>`__)
+
+This release contains contributions from:
+
+- Santiago Soler
+
+
 Version 0.2.0
 -------------
 

doc/versions.rst

@@ -7,6 +7,7 @@ Use the links below to access documentation for specific versions
 * `Latest release <https://www.fatiando.org/choclo/latest>`__
 * `Development <https://www.fatiando.org/choclo/dev>`__
  (reflects the current development branch on GitHub)
+* `v0.3.0 <https://www.fatiando.org/choclo/v0.3.0>`__
 * `v0.2.0 <https://www.fatiando.org/choclo/v0.2.0>`__
 * `v0.1.0 <https://www.fatiando.org/choclo/v0.1.0>`__
 * `v0.0.1 <https://www.fatiando.org/choclo/v0.0.1>`__