Bump actions/checkout from 2 to 3 (alexjustesen#638)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/lint.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:

.github/workflows/test.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ${{ matrix.operating-system }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with: