Bump actions/checkout from 3 to 5

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/docker-build.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
 
       - name: Set up QEMU
         id: qemu

.github/workflows/labels-update.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
 
       - name: Update labels
         if: success()

.github/workflows/webhook-update.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
       - name: Fetch latest webhook release
         id: webhook