docs: replace word therefore, plus other small changes (#15694)

docs/usage/configuration-options.md

docs/usage/configuration-templates.md

docs/usage/dependency-pinning.md

docs/usage/faq.md

docs/usage/getting-started/private-packages.md

docs/usage/getting-started/running.md

docs/usage/getting-started/use-cases.md

docs/usage/key-concepts/automerge.md

docs/usage/known-limitations.md

docs/usage/noise-reduction.md

docs/usage/self-hosted-configuration.md

docs/usage/updating-rebasing.md

lib/modules/datasource/docker/readme.md

lib/modules/manager/gomod/readme.md

lib/modules/manager/pip-compile/readme.md

lib/modules/manager/pre-commit/readme.md