Replace super-linter with a reusable workflow

Author: tvdijen

.github/workflows/documentation.yml

@@ -1,12 +1,14 @@
+---
+
 name: Documentation
 
-on:
+on: # yamllint disable-line rule:truthy
   push:
-    branches: [ main ]
+    branches: [main]
     paths:
       - '**.md'
   pull_request:
-    branches: [ main ]
+    branches: [main]
     paths:
       - '**.md'
 
@@ -19,7 +21,7 @@ jobs:
       - name: Setup PHP, with composer and extensions
         uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
         with:
-          php-version: '8.0'
+          php-version: '8.1'
           tools: composer:v2
           extensions: intl, mbstring, xml
 
@@ -35,9 +37,9 @@ jobs:
       - name: Cache composer dependencies
         uses: actions/cache@v3
         with:
-            path: ${{ steps.composer-cache.outputs.dir }}
-            key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-            restore-keys: ${{ runner.os }}-composer-
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
 
       - name: Install Composer dependencies
         run: composer install --no-progress --prefer-dist --optimize-autoloader