Merge branch 'main' into SSA-6383-curated-test-data

apps/cli/executables/datafetcher/README.md

apps/cli/executables/datafetcher/src/datafetcher/commands.py

...li/executables/datafetcher/src/datafetcher/datafetcher.py

...ecutables/datafetcher/src/datafetcher/locations_report.py

...xecutables/datafetcher/src/datafetcher/project_fetcher.py

...i/executables/datafetcher/src/datafetcher/return_codes.py

.../cli/executables/datafetcher/src/datafetcher/utilities.py

apps/cli/executables/datafetcher/test/Dockerfile

apps/cli/executables/datafetcher/test/df_pytest_utils.py

apps/cli/executables/datafetcher/test/docker-build.sh

apps/cli/executables/datafetcher/test/mock_data_fetcher.py

apps/cli/executables/datafetcher/test/test_datafetcher.py

apps/cli/executables/datafetcher/test/test_df_function.py

.../cli/executables/datafetcher/test/test_df_return_codes.py

apps/cli/executables/null/setup.py

apps/cli/executables/null/src/null/null.py

apps/cli/executables/null/test/test_null.py

...de_project_updater/src/s_code_project_updater/commands.py

...li/utilities/s_code_project_updater/test/test_projects.py

...cli/utilities/s_code_project_updater/test/test_updater.py