GONRG-6369: gcp rename to gc

.gitlab-ci.yml

deployments/scripts/anthos/README.md

deployments/scripts/anthos/VERSION

deployments/scripts/anthos/bootstrap.sh

deployments/scripts/anthos/render_dag_file.py

deployments/scripts/gc/README.md

deployments/scripts/gc/VERSION

deployments/scripts/gc/bootstrap.sh

deployments/scripts/gc/render_dag_file.py

deployments/scripts/gc/requirements.txt

deployments/scripts/gcp/VERSION

devops/gc/pipeline/override-stages.yml

src/dags/segy_to_vds_conversion_dag.py

src/plugins/operators/gc/__init__.py

src/plugins/operators/gc/kubernetes_pod_with_auth.py