rename depandabot to requirements-compile

.gitlab-ci.yml

r2_metadata/requirements-compile.r2.yml

...n/dependency_management/requirements-compile/CHANGELOG.md

...thon/dependency_management/requirements-compile/README.md

..._management/requirements-compile/requirements-compile.yml

tests/requirements-compile_project/requirements.in

tests/requirements-compile_project/test_requirements.in