drop php8.0 from build/composer, remove some older variants of symfony/process, minor changes to github action, stop psalm moaning about ClassMustBeFinal

Author: DavidGoodwin

.github/workflows/php.yml

@@ -7,11 +7,11 @@ jobs:
    runs-on: ubuntu-22.04
    strategy:
       matrix:
-        php-versions: ['8.0', '8.1', '8.2', '8.3', '8.4']
+        php-versions: ['8.1', '8.2', '8.3', '8.4']
 
    steps:
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
@@ -20,10 +20,7 @@ jobs:
         tools: composer
 
     - name: Install xmlstarlet
-      run: sudo apt-get install -y xmlstarlet
-
-    - name: Install nmap
-      run: sudo apt-get install -y nmap
+      run: DEBIAN_FRONTEND=noninteractive sudo apt-get -q update && sudo apt-get -yq install -y xmlstarlet nmap --no-install-recommends
 
     - name: Validate composer.json and composer.lock
       run: composer validate
@@ -38,7 +35,7 @@ jobs:
       run: composer lint
 
     - name: Run psalm
-      run: ./vendor/bin/psalm.phar --php-version=${{ matrix.php-versions }} --output-format=github
+      run: composer psalm-github
 
     - name: Run phpunit
       run: composer phpunit

composer.json

@@ -13,14 +13,14 @@
         }
     ],
     "require": {
-        "php": ">= 8.0",
-        "symfony/process": "~2.0|~3.0|~4.0|~5.0|~6.0|~7.0",
+        "php": ">= 8.1",
+        "symfony/process": "~4.0|~5.0|~6.0|~7.0",
         "ext-simplexml": "*",
         "symfony/filesystem": "~6.0|~7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "7.*|8.*",
-        "psalm/phar": " <6.1",
+        "phpunit/phpunit": "7.*|8.*|9.*",
+        "psalm/phar": "*",
         "php-parallel-lint/php-parallel-lint":"*",
         "squizlabs/php_codesniffer" : "*",
         "mockery/mockery": "*"
@@ -31,6 +31,7 @@
     "scripts": {
         "lint": "vendor/bin/parallel-lint src",
         "psalm": "vendor/bin/psalm.phar --show-info=false",
+        "psalm-github": "vendor/bin/psalm.phar --show-info=false --output-format=github",
         "phpcs": "vendor/bin/phpcs --standard=PSR2 src",
         "phpcbf": "vendor/bin/phpcbf --standard=PSR2 src",
         "phpunit": "vendor/bin/phpunit",

psalm.xml

@@ -37,5 +37,6 @@
 
         <PossiblyUnusedMethod errorLevel="info" />
         <InvalidStringClass errorLevel="info" />
+        <ClassMustBeFinal errorLevel="info"/>
     </issueHandlers>
 </psalm>