build(deps): bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/container-ci.yml

@@ -13,13 +13,13 @@ jobs:
     steps:
       # Checks-out PeekabooAV-Installer under $GITHUB_WORKSPACE
       - name: Checkout PeekabooAV-Installer
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: scVENUS/PeekabooAV-Installer
 
       # put PeekabooAV below that as expected by the installer
       - name: Checkout PeekabooAV
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: PeekabooAV
 

.github/workflows/publish-container-image.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
       # required for access to the local publish action
       - name: Check out PeekabooAV
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: actions
 

.github/workflows/publish-container-images-scheduled.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out PeekabooAV
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # get all history, branches and tags so we can build a list of refs
           # to build from
@@ -118,7 +118,7 @@ jobs:
     steps:
       # required for access to the local publish action
       - name: Check out PeekabooAV
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: actions
 

.github/workflows/testsuite-scheduled.yml

@@ -19,7 +19,7 @@ jobs:
         branch: ["master", "2.1"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ matrix.branch }}
 
@@ -46,7 +46,7 @@ jobs:
         branch: ["2.0"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ matrix.branch }}
 

.github/workflows/testsuite.yml

@@ -22,7 +22,7 @@ jobs:
             python-version: "3.6"
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5