Switch to using `eos-system-contracts` in libtester tests #3427

Job	Run time
Discover Versions	3s
Platform Cache / Discover Platforms	5s
Platform Cache / Build Platforms (none)	1s
Run Build Workflow / Build spring (reproducible)	8m 6s
Run Build Workflow / Build spring (asan)	11m 1s
Run Build Workflow / Build spring (ubuntu20)	7m 35s
Run Build Workflow / Build spring (ubsan)	9m 25s
Run Build Workflow / Build spring (ubuntu22)	9m 49s
Run Build Workflow / Build spring (asserton)	7m 31s
Tests (ubuntu20)	3m 22s
Build deb packages (ubuntu20)	12m 57s
Tests (ubuntu22)	3m 16s
LR Tests (ubuntu20)	24m 17s
Build deb packages (ubuntu22)	8m 51s
Tests (asserton)	3m 20s
NP Tests (ubuntu20)	6m 36s
LR Tests (ubuntu22)	24m 6s
Build deb packages (reproducible)	7m 48s
Tests (ubsan)	4m 6s
NP Tests (ubuntu22)	6m 33s
LR Tests (asserton)	24m 5s
Tests (asan)	5m 35s
NP Tests (asserton)	6m 29s
LR Tests (ubsan)	25m 36s
Tests (ubuntu20repro)	3m 16s
NP Tests (ubsan)	8m 2s
LR Tests (ubuntu20repro)	24m 14s
Tests (ubuntu22repro)	3m 17s
LR Tests (ubuntu22repro)	24m 16s
NP Tests (ubuntu20repro)	6m 31s
NP Tests (ubuntu22repro)	6m 32s
libtester tests (ubuntu22, build-tree)	8m 11s
libtester tests (ubuntu22, make-dev-install)	8m 31s
libtester tests (ubuntu22, deb-install)	3m 52s
All Required Tests Passed	1s
	5h 17m 16s

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