Add variation to linux install path. Add support for multiple configs.

[hulto]

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

[github-actions]

Summary

Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Other ❓	Flaky 🍂	Duration ⏱️
2758    ±0	2758    ±0	0    ±0	0    ±0	0    ±0	0    ±0	1ms    ±0

Previous Results

Build 🏗️	Result 🧪	Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Other ❓	Flaky 🍂	Duration ⏱️
#1654	✅	2758	2758	0	0	0	0	38.4s

Insights

Average Tests per Run	Total Flaky Tests	Total Failed	Slowest Test (p95)
2758	0	0	5.8s

Slowest Tests

Test 📝	Results 📊	Duration (avg) ⏱️	Duration (p95) ⏱️
TestDockerExecutor_Build_ContextCancellation	1	5.8s	5.8s
eldritch-libsys: std::dll_inject_impl::tests::test_dll_inject_simple	1	5.1s	5.1s
TestInteractiveShell	1	5.1s	5.1s
TestOtherStreamOutput	1	5.0s	5.0s
imix::bin/imix: install::tests::test_install_execution	3	1.8s	5.0s
imix::bin/imix: install::tests::test_install_execution	3	1.8s	5.0s
imix::bin/imix: install::tests::test_install_execution	3	1.8s	5.0s
TestDockerExecutor_Build_SimpleEcho	1	4.6s	4.6s
imix::bin/imix: tests::task_tests::test_task_eprint_behavior	3	3.0s	3.0s
imix::bin/imix: tests::task_tests::test_task_streaming_output	3	3.0s	3.0s

_{🎉 No failed tests in this run. | 🍂 No flaky tests in this run.}

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