rust: bump time to 0.3.47 in pkg/installer (fix CVE-2026-25727) and update rustc to 1.93.1 #12843

Job	Run time
packages (amd64, evaluation, default)	41m 7s
packages (arm64, generic, default)	24m 57s
packages (amd64, generic, default)	40m 16s
packages (riscv64, generic, default)	5m 7s
packages (arm64, nvidia-jp5, default)	24m 51s
packages (arm64, nvidia-jp6, default)	24m 33s
packages (amd64, generic, k)	41m 24s
eve (amd64, kvm, generic)	23m 44s
eve (arm64, xen, generic)	8m 43s
eve (riscv64, mini, generic)	10m 47s
eve (arm64, kvm, nvidia-jp6)	8m 10s
eve (amd64, kvm, rt)	26m 53s
eve (arm64, kvm, nvidia-jp5)	10m 47s
eve (amd64, k, generic)	29m 42s
eve (amd64, xen, generic)	24m 55s
eve (amd64, kvm, evaluation)	30m 39s
eve (arm64, kvm, generic)	8m 45s
	6h 25m 20s

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