chore: Improve Upgrade with Alternative URLs test #1916

Job	Run time
Bazel Build All Config Check	8m 4s
Bazel Build Fuzzers	2m 12s
Bazel Test All	20m 16s
Bazel Build Fuzzers AFL	10m 38s
Bazel Test Darwin x86-64	0s
Python CI Tests	1m 40s
Build IC	34m 0s
Cargo Build Release Linux	10m 53s
Cargo Clippy Linux	6m 2s
Build Determinism (//publish/binaries:upload, release, build-ic/release, false)	49s
Build Determinism (//publish/canisters:upload, canisters, build-ic/canisters, false)	27s
Build Determinism (//ic-os/guestos/envs/prod:upload_disk-img, guest-os/update-img, build-ic/icos/...	33s
Build Determinism (//ic-os/hostos/envs/prod:upload_update-img, host-os/update-img, build-ic/icos/...	29s
Build Determinism (//ic-os/setupos/envs/prod:upload_disk-img, setup-os/disk-img, build-ic/icos/se...	30s
	1h 36m 33s

Provide feedback