Merge pull request #40 from wickedOne/renovate/ramsey-composer-install-4.x

Update ramsey/composer-install action to v4

Author: wickedOne

.github/workflows/continuous-integration.yaml

@@ -42,7 +42,7 @@ jobs:
           tools: composer:v2, cs2pr
 
       - name: "install dependencies"
-        uses: "ramsey/composer-install@3.1.1"
+        uses: "ramsey/composer-install@4.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
@@ -75,7 +75,7 @@ jobs:
           ini-values: memory_limit=-1, zend.assertions=1
 
       - name: "install dependencies"
-        uses: "ramsey/composer-install@3.1.1"
+        uses: "ramsey/composer-install@4.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
@@ -112,7 +112,7 @@ jobs:
           tools: composer:v2, cs2pr, php-cs-fixer
 
       - name: "install dependencies"
-        uses: "ramsey/composer-install@3.1.1"
+        uses: "ramsey/composer-install@4.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"