aqa-tests
                                
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                        docker: switch to a bespoke test container
Also moved LIB_DIR and SYSTEM_LIB_DIR to be inside the current workspace for docker builds due to permissions errors
Currently using ghcr.io/adoptium/test-containers:ubuntu2204 which is a lightweight image built loosely off the dockerStatic base images. PR incoming to the infra repo to regularly build this and we can add more base images where appropriate.
Grinder to show this working: https://ci.adoptium.net/view/Test_grinder/job/Grinder/11160/
Partially addresses https://github.com/adoptium/aqa-tests/issues/5684