Merge pull request #9 from CESNET/renovate/actions-checkout-3.x

chore(deps): update actions/checkout action to v3

.github/workflows/check_and_release.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Setup Node.js
@@ -37,7 +37,7 @@ jobs:
         php-version: [7.4, 8.0]
         composer-version: [1, 2]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Cache Composer dependencies
         uses: actions/cache@v3
         with:
@@ -53,7 +53,7 @@ jobs:
     name: Easy coding standard
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Cache Composer dependencies
         uses: actions/cache@v3
         with:
@@ -72,7 +72,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Setup Node.js
@@ -93,7 +93,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Setup Node.js