More renaming

.github/CODEOWNERS

.github/workflows/docker.yml

README.rst

book.toml

...ib/workers-bash-scripts/create-multiple-stream-writers.md

debian/control

debian/templates

docker/Dockerfile

docker/README.md

docker/complement/Dockerfile

docs/consent_tracking.md

docs/development/git.md

docs/development/synapse_architecture/streams.md

docs/metrics-howto.md

docs/modules/writing_a_module.md

docs/sso_mapping_providers.md

docs/systemd-with-workers/README.md

docs/templates.md

docs/upgrade.md

docs/usage/administration/request_log.md