1.3.0 readiness

- Removes empty 1.2.1 stub from CHANGELOG
- Sets date for 1.3.0 in CHANGELOG
- Updates branch aliases:
  - dev-master => 1.3-dev
  - dev-develop => 1.4-dev

Signed-off-by: Matthew Weier O'Phinney <matthew@weierophinney.net>

Author: weierophinney

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 1.3.0 - TBD
+## 1.3.0 - 2020-07-01
 
 ### Added
 
@@ -24,28 +24,6 @@ All notable changes to this project will be documented in this file, in reverse
 
 - Nothing.
 
-## 1.2.1 - TBD
-
-### Added
-
-- Nothing.
-
-### Changed
-
-- Nothing.
-
-### Deprecated
-
-- Nothing.
-
-### Removed
-
-- Nothing.
-
-### Fixed
-
-- Nothing.
-
 ## 1.2.0 - 2017-11-02
 
 ### Added

composer.json

@@ -17,8 +17,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.2-dev",
-            "dev-develop": "1.3-dev"
+            "dev-master": "1.3-dev",
+            "dev-develop": "1.4-dev"
         },
         "class": "Laminas\\ApiTools\\AssetManager\\Plugin"
     },