⬆️ Bump actions/checkout from 2 to 3 (#209)

Author: dependabot[bot]

.github/workflows/build-init.yml

@@ -17,7 +17,7 @@ jobs:
       VAGRANT_ON_GH: true
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: set up Python
       uses: actions/setup-python@v4
       with:

.github/workflows/build-vagrant.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: set up Python
       uses: actions/setup-python@v4

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
@@ -24,7 +24,7 @@ jobs:
   #   runs-on: ubuntu-latest
 
   #   steps:
-  #   - uses: actions/checkout@v2
+  #   - uses: actions/checkout@v3
   #   - name: Set up Python
   #     uses: actions/setup-python@v4
   #     with: