GONRG-1011: Renamed Osdu_ingest DAG to Osdu_ingest_r2.

src/dags/osdu-ingest-r2.py

src/plugins/operators/__init__.py

src/plugins/operators/process_manifest_r2_op.py

tests/end-to-end-tests/mock-data/osdu-ingest-r2-invalid.json

tests/end-to-end-tests/mock-data/osdu-ingest-r2-valid.json

tests/end-to-end-tests/test-osdu-ingest-r2-fail.sh

tests/end-to-end-tests/test-osdu-ingest-r2-success.sh

tests/plugin-unit-tests/data/__init__.py

tests/plugin-unit-tests/data/process_manifest_r2_op.py

tests/plugin-unit-tests/test_process_manifest_r2_op.py

tests/set_airflow_env.sh

tests/test_dags.py