Bump actions/checkout from 2 to 3 (#606)

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](actions/checkout@v2...v3)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/delete_docker_tags.yml

@@ -7,7 +7,7 @@ jobs:
     name: Deleting docker tag
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Script
         run: python3 ci/delete-docker-tags.py --org "tuerobotics" --image "tue-env" "tue-env-cuda"  -t "${{ github.event.ref }}" --username "${{ secrets.DOCKER_HUB_USERNAME }}" --password "${{ secrets.DOCKER_HUB_PASSWORD }}"
 

.github/workflows/main.yml

@@ -7,7 +7,7 @@ jobs:
     name: Linting
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python 3
         uses: actions/setup-python@v3
         with:
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: linting
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Docker info
         run: docker info
       - name: Script
@@ -47,7 +47,7 @@ jobs:
     needs: linting
     if: ${{ github.event_name != 'pull_request' && github.ref == 'refs/heads/master' }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Docker info
         run: docker info
       - name: Script