Add release notes configuration (#196)

Add a configuration file for generating GitHub release notes.

See https://docs.github.com/repositories/releasing-projects-on-github/automatically-generated-release-notes#configuring-automatically-generated-release-notes.

Author: martincostello

.github/release.yml

@@ -0,0 +1,6 @@
+changelog:
+  exclude:
+    authors:
+      - dependabot[bot]
+      - github-actions[bot]
+      - renovate[bot]