chore: bump the all group with 1 update

Bumps the all group with 1 update: [actions/checkout](https://github.com/actions/checkout).

- [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
  dependency-group: all
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/gatekeeper.yml

@@ -13,12 +13,12 @@ jobs:
           go-version: "1.21"
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: go/src/github.com/open-policy-agent/frameworks
 
       - name: Check out Gatekeeper default branch
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: open-policy-agent/gatekeeper
           path: go/src/github.com/open-policy-agent/gatekeeper

.github/workflows/workflow.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
@@ -30,7 +30,7 @@ jobs:
           go-version: "1.21"
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: go/src/github.com/open-policy-agent/frameworks