ci: update workflows

Author: leeqvip

.github/workflows/build.yml renamed to .github/workflows/phpunit.yml

@@ -1,4 +1,4 @@
-name: build
+name: PHPUnit
 
 on:
   push:
@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -72,7 +72,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [ test, upload-coverage ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-node@v4
         with:
           node-version: 'lts/*'

README.md

@@ -7,8 +7,8 @@
 </p>
 
 <p align="center">
-    <a href="https://travis-ci.org/php-casbin/codeigniter-permission">
-        <img src="https://travis-ci.org/php-casbin/codeigniter-permission.svg?branch=master" alt="Build Status">
+    <a href="https://github.com/php-casbin/codeigniter-permission/actions/workflows/phpunit.yml">
+        <img src="https://github.com/php-casbin/codeigniter-permission/actions/workflows/phpunit.yml/badge.svg" alt="Build Status">
     </a>
     <a href="https://coveralls.io/github/php-casbin/codeigniter-permission">
         <img src="https://coveralls.io/repos/github/php-casbin/codeigniter-permission/badge.svg" alt="Coverage Status">