Update ramsey/composer-install to v3

Author: paragonie-security

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
           coverage: none
 
       - name: Install Composer dependencies
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
 
       - name: PHPUnit tests
         run: vendor/bin/phpunit

.github/workflows/psalm.yml

@@ -22,7 +22,7 @@ jobs:
           coverage: none
 
       - name: Install Composer dependencies
-        uses: "ramsey/composer-install@v2"
+        uses: "ramsey/composer-install@v3"
         with:
           composer-options: --no-dev