docs: spelling and grammar fixes (#11367)

docs/development/triage-guide.md

docs/usage/configuration-options.md

docs/usage/faq.md

docs/usage/getting-started/installing-onboarding.md

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

docs/usage/getting-started/running.md

docs/usage/golang.md

docs/usage/key-concepts/dashboard.md

docs/usage/self-hosted-configuration.md

docs/usage/self-hosted-experimental.md

docs/usage/setup-azure-devops.md