Merge pull request #537 from Boegie/536

 Update to "actions/checkout@v3" and thus node.js 16

Author: mglaman

.github/workflows/php.yml

@@ -19,7 +19,7 @@ jobs:
           - "8.1"
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v3"
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"
         with:
@@ -54,7 +54,7 @@ jobs:
             experimental: true
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v3"
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"
         with:
@@ -100,7 +100,7 @@ jobs:
             experimental: true
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v3"
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"
         with:
@@ -173,7 +173,7 @@ jobs:
             experimental: true
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v3"
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"
         with:

.github/workflows/phpstan-dev.yml

@@ -16,7 +16,7 @@ jobs:
           - '1.9.x-dev'
     steps:
       - name: "Checkout"
-        uses: "actions/checkout@v2"
+        uses: "actions/checkout@v3"
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"
         with: