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/docker-build.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
     - name: Code checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Build Container Image
       run: |

.github/workflows/e2e.yaml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ${{ ((matrix.tee == 'az-snp-vtpm') && fromJSON('["self-hosted","azure-cvm"]')) || 'ubuntu-22.04' }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - uses: actions-rs/toolchain@v1
       with:

.github/workflows/release.yaml

@@ -10,7 +10,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       -
         name: Login to Docker Hub
         uses: docker/login-action@v2

.github/workflows/rust.yml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: Code checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Rust toolchain installation
       uses: actions-rs/toolchain@v1