Merge pull request #543 from astropy/dependabot/github_actions/actions/checkout-3

Bump actions/checkout from 2 to 3

Author: adrn

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
     name: "Execute and convert the notebooks to HTML"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Set up Python
         uses: actions/setup-python@v2

.github/workflows/prs.yml

@@ -16,7 +16,7 @@ jobs:
     name: "Execute and convert the notebooks to HTML"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
 

.github/workflows/test-scripts.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     if: contains(github.event.pull_request.labels.*.name, 'infrastructure')
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0