SSH Runner: Fix several issues and refactor code #257

Job	Run time
Setup and Cache Dependencies	1m 35s
Conan (unittests) (3.8)	1m 14s
Conan (integration) (3.8)	2m 41s
Conan (functional) (3.8)	18m 31s
Conan (unittests) (3.12)	38s
Conan (integration) (3.12)	2m 5s
Conan (functional) (3.12)	13m 47s
Conan (unittests) (3.13)	41s
Conan (integration) (3.13)	1m 52s
Conan (functional) (3.13)	17m 33s
	1h 0m 37s

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