Merge pull request #62 from kurtmckee/changes

Add a changelog fragment for post-1.2 changes

changelog.d/20240828_174019_kurtmckee_changes.md

@@ -0,0 +1,18 @@
+### Python support
+
+- Drop support for Python 3.6 and 3.7.
+- Support Python 3.8+ and higher.
+
+### Changed
+
+- Use `orjson` for speed.
+
+### Development
+
+- Introduce a test suite.
+- Add CI to test the project.
+- Add CD to build and publish the project.
+- Use Dependabot to maintain CI/CD action versions.
+- Update pre-commit hooks.
+- Use pre-commit.ci to maintain pre-commit hook versions,
+  and to run hooks against incoming PRs.