Bump actions/checkout from 1 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 1 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v1...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>

Author: dependabot[bot]

.github/workflows/publish.yml

@@ -11,7 +11,7 @@ jobs:
     name: Kodi addon submitter
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v3
     - name: Generate distribution zip and submit to official kodi repository
       id: kodi-addon-submitter
       uses: xbmc/action-kodi-addon-submitter@v1.3