message: docs: add release notes for 1.3
diff: {
  "releases": {
  - "Release Notes": ["releases/v1.2.0", "releases/v1.1.0", "releases/v1.0.0"]
  + "Release Notes": [
  + "releases/v1.3.0",
  + "releases/v1.2.0",
  + "releases/v1.1.0",
  + "releases/v1.0.0"
  + ]
  },
  "docs": {
  "Overview": [
  