Intervention Image v3 support (#45)

* fix: type error to assign the drie for image manager class

* fix: update package names and handle Intervention Image versioning in favicon generation

* fix: update intervention/image version constraint in composer.json

* cleanup, run CI tests with both intervention v2 and v3

* ci: composer require --dev

* phpstan fixes

---------

Co-authored-by: Samuel Štancl <samuel@archte.ch>

.github/workflows/ci.yml

@@ -7,11 +7,12 @@ on:
 
 jobs:
   pest:
-    name: Tests (Pest) L${{ matrix.laravel }}
+    name: Tests (Pest) L${{ matrix.laravel }} I${{ matrix.intervention }}
     runs-on: ubuntu-latest
     strategy:
       matrix:
         laravel: [10, 11, 12, 13]
+        intervention: [2, 3]
 
     steps:
     - uses: actions/checkout@v2
@@ -20,7 +21,9 @@ jobs:
       with:
         php-version: 8.3
     - name: Install composer dependencies
-      run: composer require "laravel/framework:^${{matrix.laravel}}.0"
+      run: |
+        composer require --dev "laravel/framework:^${{matrix.laravel}}.0"
+        composer require --dev "intervention/image:^${{matrix.intervention}}.0"
     - name: Run tests
       run: vendor/bin/pest