ci: fix docs invalid tags and dead links

docs/package-lock.json

docs/package.json

docs/src/ca/getting-started/docker.md

docs/src/ca/index.md

docs/src/es/getting-started/update.md

docs/src/fr/getting-started/update.md

docs/src/fr_CA/index.md

docs/src/fr_trad/index.md

docs/src/gd/index.md

docs/src/sv/index.md

docs/src/uk/index.md

docs/src/zh-Hans/getting-started/update.md

docs/src/zh-Hans/index.md