fix(docs/usage): fix number typo for gitTimeout (#15171)

* Added timeout option

* Added timeout to global config

* moved gitTimeout description to self-hosed-config

* Added `gitTimeout` in global.ts

* Changed to numeric value with test

* Make seperte object for timeout

* test and set max value to a minute

* For null check

* revert

* default for null check

* Added timeout for simple git uses

* Update lib/config/validation.ts

Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

* Made config into one object and changed test

* blank line for lint

* Update config.spec.ts

* prettier alignment

* lint

* lint fix

* added test and refactored

* refactored tests

* Update docs/usage/self-hosted-configuration.md

Co-authored-by: HonkingGoose <34918129+HonkingGoose@users.noreply.github.com>

* More info in docs

* Update docs/usage/self-hosted-configuration.md

* Update docs/usage/self-hosted-configuration.md

* Fixed typo

* docs typo fix

Co-authored-by: Michael Kriese <michael.kriese@visualon.de>
Co-authored-by: HonkingGoose <34918129+HonkingGoose@users.noreply.github.com>
Co-authored-by: Rhys Arkins <rhys@arkins.net>