Bump actions/checkout from 2 to 3 (#1589)

.github/workflows/docker-image.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       -

.github/workflows/integration-tests.yml

@@ -12,7 +12,7 @@ jobs:
     outputs:
       matrix: ${{ steps.generate-matrix.outputs.matrix }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         fetch-depth: 0
     - name: Set up libvirt for test generation
@@ -58,7 +58,7 @@ jobs:
       VAGRANT_VERSION: v2.2.14
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         fetch-depth: 0
     - name: Set up libvirt

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
       -
         name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       -

.github/workflows/unit-tests.yml

@@ -52,19 +52,19 @@ jobs:
             allow_fail: false
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         fetch-depth: 0
     - name: Clone vagrant for ruby 3.0 support
       if: ${{ matrix.ruby == '3.0.0' }}
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         repository: hashicorp/vagrant
         path: .deps/vagrant
         ref: f7973f00edb9438d0b36085f210c80af71cfe5c5
     - name: Clone ruby-libvirt for ruby 3.0 support
       if: ${{ matrix.ruby == '3.0.0' }}
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         repository: libvirt/libvirt-ruby
         path: .deps/libvirt-ruby