maven: update compiler source and target to 21 #456
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| name: Docker exercise | |
| on: | |
| - push | |
| - pull_request | |
| jobs: | |
| docker-exercise: | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: build docker image | |
| working-directory: topics/docker/code/hostcontrold-solution | |
| run: | | |
| docker build . |