Bump actions/checkout from 2.3.4 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.4 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.3.4...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/docker.yml

@@ -15,7 +15,7 @@ jobs:
       UID: 0
 
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3
 
       - name: Environment info
         run: |

.github/workflows/documentation-build.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3
 
       - uses: actions/setup-python@v3
         with:

.github/workflows/python-lints.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3
 
       - uses: actions/setup-python@v3
         with: