Merge pull request arduino#465 from arduino/dependabot/github_actions/actions/checkout-3

Bump actions/checkout from 2 to 3

Author: per1234

.github/workflows/check-arduino.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Arduino Lint
         uses: arduino/arduino-lint-action@v1

.github/workflows/compile-platform-examples.yml

@@ -176,7 +176,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Compile examples
         uses: arduino/compile-sketches@v1

.github/workflows/spell-check.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Spell check
         uses: codespell-project/actions-codespell@master