CHANGELOG: add 1.3.0 section

Author: zombiezen

CHANGELOG.md

@@ -4,9 +4,14 @@ The format is based on [Keep a Changelog][], and this project adheres to
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 [Keep a Changelog]: https://keepachangelog.com/en/1.0.0/
-[Unreleased]: https://github.com/gg-scm/gg/compare/v1.2.1...HEAD
+[Unreleased]: https://github.com/gg-scm/gg/compare/v1.3.0...HEAD
 
-## [Unreleased][]
+## [1.3.0][] - 2022-03-03
+
+Version 1.3 improves the behavior of the `pull` command
+on repositories with lots of branches.
+
+[1.3.0]: https://github.com/gg-scm/gg/releases/tag/v1.3.0
 
 ### Added
 
@@ -15,7 +20,8 @@ The format is based on [Keep a Changelog][], and this project adheres to
 ### Changed
 
 - If multiple `--pattern` flags are given to `branch`,
-  the union of the patterns will be used.
+  the union of the patterns will be used
+  instead of just the last one.
 
 ### Fixed
 

misc/gg.1.md

@@ -1,4 +1,4 @@
-% gg(1) gg 1.2.1 | gg Manual
+% gg(1) gg 1.3.0 | gg Manual
 
 # NAME
 

release/README.md

@@ -7,8 +7,8 @@ This directory holds release automation scripts for gg.
 1. Push last code commit up to CI
 1. Prepare Nix PR
 1. New CHANGELOG section
-1. Updated [misc/gg.1.md](../misc/gg.1.md) version number
-1. `git tag -a vX.Y.Z`
+1. Update [misc/gg.1.md](../misc/gg.1.md) version number
+1. `gg commit && git tag -a vX.Y.Z`
 1. Update Debian branches. Start with libraries, then this repository.
   - `gg update debian`
   - `gg merge vX.Y.Z`