refactor(cargo): patch crates in place; drop the [patch]-redirect backend + build guard #306

Job	Run time
lint-ecosystems	8s
dispatch-tests	14s
clippy	46s
test-release	16m 52s
test (windows-latest)	11m 37s
coverage	5m 18s
coverage-docker (maven)	4m 17s
test (ubuntu-latest)	5m 13s
coverage-docker (nuget)	4m 16s
coverage-docker (gem)	4m 29s
test (macos-latest)	6m 33s
coverage-docker (pypi)	3m 55s
coverage-docker (npm)	4m 27s
e2e-docker (pypi)	3m 39s
e2e-docker (gem)	3m 26s
e2e-docker (composer)	3m 30s
coverage-docker (cargo)	4m 22s
e2e-docker (cargo)	3m 37s
setup-matrix (pypi)	3m 44s
coverage-docker (golang)	4m 2s
setup-matrix (composer)	2m 18s
setup-matrix (maven)	4m 10s
e2e-docker (npm)	3m 34s
setup-matrix (deno)	2m 25s
e2e-docker (nuget)	3m 34s
setup-matrix (nuget)	2m 43s
setup-matrix (npm)	3m 10s
e2e-docker (golang)	3m 18s
e2e-docker (deno)	3m 29s
coverage-docker (deno)	4m 28s
e2e-docker (maven)	3m 52s
setup-matrix (cargo)	2m 30s
setup-matrix (golang)	2m 12s
setup-matrix (gem)	2m 24s
coverage-docker (composer)	4m 20s
coverage-merge	24s
e2e (ubuntu-latest, e2e_nuget)	31s
e2e (ubuntu-latest, guard_build_integration)	23s
e2e (ubuntu-latest, e2e_safety_pnpm)	34s
e2e (ubuntu-latest, e2e_maven)	25s
e2e (windows-latest, e2e_safety_cargo_build)	1m 15s
e2e (macos-latest, e2e_safety_pnpm)	53s
e2e (ubuntu-latest, e2e_cargo)	23s
e2e (ubuntu-latest, e2e_golang)	32s
e2e (ubuntu-latest, e2e_safety_cargo_build)	39s
e2e (ubuntu-latest, e2e_composer)	24s
e2e (macos-latest, e2e_safety_cargo_build)	54s
e2e (windows-latest, e2e_safety_pnpm)	2m 12s
	2h 32m 21s

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