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/codeql.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/main.yml

@@ -25,7 +25,7 @@ jobs:
     name: Set variables
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # ratchet:actions/checkout@v3
+      - uses: actions/checkout@v4 # ratchet:actions/checkout@v3
       - name: "Set image version"
         id: constants
         run: |
@@ -52,7 +52,7 @@ jobs:
     env:
       VERSION: "${{ needs.version.outputs.VERSION }}"
     steps:
-      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # ratchet:actions/checkout@v3
+      - uses: actions/checkout@v4 # ratchet:actions/checkout@v3
       - name: Install cosign
         uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 # ratchet:sigstore/cosign-installer@main
         with:
@@ -114,7 +114,7 @@ jobs:
     needs:
       - version
     steps:
-      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # ratchet:actions/checkout@v3
+      - uses: actions/checkout@v4 # ratchet:actions/checkout@v3
       - id: 'auth'
         name: 'Authenticate to Google Cloud'
         if: github.ref == 'refs/heads/master'