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/audit.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       # Ensure that the latest version of Cargo is installed
 
       # https://github.com/webfactory/ssh-agent#support-for-github-deploy-keys

.github/workflows/cd.yml

@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@v1
         with:
@@ -108,7 +108,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable

.github/workflows/cd_acr.yaml

@@ -10,7 +10,7 @@ jobs:
     if: ${{ github.ref != 'refs/heads/dev' && github.ref != 'refs/heads/main'}}
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -37,7 +37,7 @@ jobs:
             environment: Main
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
         if: ${{ github.ref == matrix.pipelines.branch }}
@@ -71,7 +71,7 @@ jobs:
             server: prod
     steps:      
       - name: Get application code from repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: runtime-machines/kubernetes-cd
           ssh-key: ${{ secrets.CD_DEPLOY_KEY }}

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
       SQLX_FEATURES: "rustls, postgres"
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/runtime-machines/wiki/blob/main/devops/gh_actions/webfactory_ssh-agent.md#how-to-add-a-new-external-private-dependency-to-a-repository-pipeline
       # - uses: webfactory/[email protected]