phpstan: Streamline vendor file location with local dev-env

phpstan is not run with an action anymore, as the action runs it its own docker container and hence
has no access to files outside the repository root. A side-effect of this is, that phpstan now
**really** runs with the php version set up by the matrix.

.github/workflows/php.yml

@@ -33,11 +33,11 @@ jobs:
       - 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 https://github.com/Icinga/icingadb-web.git vendor/icingadb-web
-          git clone --depth 1 https://github.com/Icinga/icingaweb2-module-director.git vendor/icingaweb2-module-director
-          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
+          sudo git clone --depth 1 https://github.com/Icinga/icingaweb2.git /icingaweb2
+          sudo git clone --depth 1 https://github.com/Icinga/icingadb-web.git /usr/share/icingaweb2-modules/icingadb
+          sudo git clone --depth 1 https://github.com/Icinga/icingaweb2-module-director.git /usr/share/icingaweb2-modules/director
+          sudo git clone --depth 1 -b snapshot/nightly https://github.com/Icinga/icinga-php-library.git /usr/share/icinga-php/ipl
+          sudo git clone --depth 1 -b snapshot/nightly https://github.com/Icinga/icinga-php-thirdparty.git /usr/share/icinga-php/vendor
 
       - name: PHP Lint
         if: ${{ ! cancelled() }}
@@ -49,4 +49,4 @@ jobs:
 
       - name: PHPStan
         if: ${{ ! cancelled() }}
-        uses: php-actions/phpstan@v3
+        run: ./vendor/bin/phpstan analyse

phpstan.neon

@@ -13,7 +13,9 @@ parameters:
         - library
 
     scanDirectories:
-        - vendor
+        - /icingaweb2
+        - /usr/share/icinga-php
+        - /usr/share/icingaweb2-modules
 
     ignoreErrors:
         -