Missing docker images for versions 2019.4.41f1 and 2019.4.41f2

## Bug description

Unity test coverage workflow fails when using Unity version `2019.4.41f2` because the Docker image `unityci/editor:ubuntu-2019.4.41f2-linux-il2cpp-3` does not exist in Docker Hub.

### Error message:
```
Unable to find image 'unityci/editor:ubuntu-2019.4.41f2-linux-il2cpp-3' locally
docker: Error response from daemon: manifest for unityci/editor:ubuntu-2019.4.41f2-linux-il2cpp-3 not found: manifest unknown: manifest unknown
```

Execution parameters

Run game-ci/unity-test-runner@v4
with:
projectPath: ./C4G.Unity
unityVersion: 2019.4.41f2
githubToken: ***
testMode: editmode
customParameters: -enableCodeCoverage -coverageOptions "useProjectSettings"
coverageOptions: generateAdditionalMetrics;generateHtmlReport;generateBadgeReport;dontClear
artifactsPath: artifacts
useHostNetwork: false
checkName: Test Results
packageMode: false
dockerIsolationMode: default
containerRegistryRepository: unityci/editor
containerRegistryImageVersion: 3
runAsHostUser: false
env:
UNITY_LICENSE: ***
UNITY_EMAIL: ***
UNITY_PASSWORD: ***


## How to reproduce

`docker pull unityci/editor:ubuntu-2019.4.41f2-linux-il2cpp-3`

## Additional details
On pages I couldn't find docker images for this versions:
- https://game.ci/docs/docker/versions/
- https://hub.docker.com/r/unityci/editor/tags?name=2019.4.41

### Workflow reference:
- Repo: https://github.com/vangogih/C4G
- PR: https://github.com/vangogih/C4G/pull/64
- Commit: https://github.com/vangogih/C4G/pull/64/commits/0cd59a8c0dc66e69ce9af531c7a95457a5478ab7