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]>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -44,7 +44,7 @@ jobs:
         run: env
 
       - name: Fetch sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
 
@@ -102,7 +102,7 @@ jobs:
 
     steps:
       - name: Fetch sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
@@ -193,7 +193,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Fetch sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
 
@@ -225,7 +225,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Fetch sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Download package
         uses: actions/download-artifact@v3
         with:
@@ -250,7 +250,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Fetch sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
 
@@ -330,7 +330,7 @@ jobs:
 
       - name: Fetch sources
         if: steps.mike-metadata.outputs.version
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true