Bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v3)

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

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

.github/workflows/packaging_test.yml

@@ -17,7 +17,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       env:
         DEBIAN_FRONTEND: "noninteractive"
     - name: Adjust distibution in changelog file

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
       release-id: ${{ steps.create_release.outputs.id }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Install needed packages
         run: |
           if [ $(dpkg -l | grep -c dpkg-dev) -ne 1 ]; then sudo apt-get update && sudo apt-get install -y dpkg-dev; fi
@@ -43,7 +43,7 @@ jobs:
     needs: create-release
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       env:
         DEBIAN_FRONTEND: "noninteractive"
     - name: Adjust distibution in changelog file