[CI]Chaostest suite initiation (#5793)

* Initiate chaostest cli test suite: singlenodeheight on one dev node
    Added chaostest stages in CI
    Added new docker/k8s resources and environments to CI
    Added new chaos-only tag to gitlab-ci.yml

* Update .maintain/chaostest/src/commands/singlenodeheight/index.js

Co-authored-by: Max Inden <mail@max-inden.de>

* change nameSpace to namespace(one word)

* update chaos ci job to match template

* rename build-pr ci stage to docker [chaos:basic]

* test gitlab-ci [chaos:basic]

* Update .gitlab-ci.yml

* add new build-chaos-only condition

* add *default-vars to singlenodeheight [chaos:basic]

* change build-only to build-rules on substrate jobs [chaos:basic]

* test and change when:on_success to when:always [chaos:basic]

* resolve conflicts and test [chaos:basic]

Co-authored-by: Max Inden <mail@max-inden.de>
Co-authored-by: Denis Pisarev <denis.pisarev@parity.io>