Update master branch.

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>

.travis.yml

@@ -2,7 +2,6 @@ dist: bionic
 language: php
 
 php:
-  - 7.2
   - 7.3
   - 7.4
 
@@ -31,7 +30,7 @@ after_script:
 
 matrix:
   include:
-    - php: 7.2
+    - php: 7.3
       env: setup=coveralls coverage=yes
   allow_failures:
     - php: nightly

README.md

@@ -3,12 +3,12 @@ Model Component for Orchestra Platform
 
 This repository contains the model code of the Orchestra Platform. If you want to build an application using Orchestra Platform, visit [the main repository](https://github.com/orchestral/platform).
 
-[![Build Status](https://travis-ci.org/orchestral/model.svg?branch=5.x)](https://travis-ci.org/orchestral/model)
+[![Build Status](https://travis-ci.org/orchestral/model.svg?branch=master)](https://travis-ci.org/orchestral/model)
 [![Latest Stable Version](https://poser.pugx.org/orchestra/model/version)](https://packagist.org/packages/orchestra/model)
 [![Total Downloads](https://poser.pugx.org/orchestra/model/downloads)](https://packagist.org/packages/orchestra/model)
 [![Latest Unstable Version](https://poser.pugx.org/orchestra/model/v/unstable)](//packagist.org/packages/orchestra/model)
 [![License](https://poser.pugx.org/orchestra/model/license)](https://packagist.org/packages/orchestra/model)
-[![Coverage Status](https://coveralls.io/repos/github/orchestral/model/badge.svg?branch=5.x)](https://coveralls.io/github/orchestral/model?branch=5.x)
+[![Coverage Status](https://coveralls.io/repos/github/orchestral/model/badge.svg?branch=master)](https://coveralls.io/github/orchestral/model?branch=master)
 
 ## Resources
 

composer.json

@@ -22,15 +22,20 @@
         }
     },
     "require": {
-        "php": ">=7.2",
-        "orchestra/contracts": "dev-master",
-        "orchestra/database": "dev-master",
-        "orchestra/support": "dev-master"
+        "php": ">=7.3",
+        "orchestra/contracts": "^6.0",
+        "orchestra/database": "^6.0",
+        "orchestra/support": "^6.0"
     },
     "require-dev": {
-        "orchestra/auth": "dev-master",
-        "orchestra/memory": "dev-master",
-        "orchestra/testbench": "dev-master"
+        "orchestra/auth": "^6.0",
+        "orchestra/memory": "^6.0",
+        "orchestra/testbench": "^6.0"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "6.0-dev"
+        }
     },
     "config": {
         "sort-packages": true