GitHub Actions: Use new PHP workflows (#172)

Switch to the new PHP workflows, which combine linting, static analysis, and
unit testing. Remove `phpcs.xml`, as the new workflow provides its own `phpcs`
configuration (using sane defaults).

Author: lippserd

.github/workflows/php.yml

@@ -1,46 +1,14 @@
-name: PHP Tests
+name: CI
 
 on:
   push:
     branches:
       - main
-      - release/*
+      - support/*
   pull_request:
-    branches:
-      - main
+  workflow_dispatch:
 
 jobs:
-  lint:
-    name: Static analysis for php ${{ matrix.php }} on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      fail-fast: false
-      matrix:
-        php: [ '8.2', '8.3' ]
-        os: [ 'ubuntu-latest' ]
-
-    steps:
-      - name: Checkout code base
-        uses: actions/checkout@v6
-
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: ${{ matrix.php }}
-          tools: phpcs
-
-      - name: Setup dependencies
-        run: |
-          composer require -n --no-progress overtrue/phplint
-          git clone --depth 1 https://github.com/Icinga/icingaweb2.git vendor/icingaweb2
-          git clone --depth 1 -b snapshot/nightly https://github.com/Icinga/icinga-php-library.git vendor/icinga-php-library
-          git clone --depth 1 -b snapshot/nightly https://github.com/Icinga/icinga-php-thirdparty.git vendor/icinga-php-thirdparty
-
-      - name: PHP Lint
-        if: ${{ ! cancelled() }}
-        run: ./vendor/bin/phplint -n --exclude={^vendor/.*} -- .
-
-      - name: PHP CodeSniffer
-        if: ${{ ! cancelled() }}
-        run: phpcs -wps --colors
+  php:
+    name: PHP
+    uses: Icinga/github-actions/.github/workflows/php.yml@main

library/Kubernetes/Web/Widget/HighlightDelta.php

@@ -19,7 +19,7 @@ public function __construct(
         protected string $short,
         ?Attributes $attributes = null
     ) {
-        if (!str_contains($long, $short)) {
+        if (! str_contains($long, $short)) {
             throw new InvalidArgumentException('Short name must be part of long name');
         }