mypy annotation for `test_dos.py` #30784

Job	Run time
version / identify version	26s
Build amd64	15m 4s
Build arm64	13m 59s
Test debian:bullseye GUI ARM64	3m 8s
Test debian:bullseye GUI Intel	1m 13s
Test debian:bullseye CLI ARM64	1m 2s
Test debian:bullseye CLI Intel	46s
Test debian:bookworm GUI ARM64	3m 18s
Test debian:bookworm GUI Intel	52s
Test debian:bookworm CLI ARM64	59s
Test debian:bookworm CLI Intel	24s
Test ubuntu:focal (20.04) GUI ARM64	5m 40s
Test ubuntu:focal (20.04) GUI Intel	2m 5s
Test ubuntu:focal (20.04) CLI ARM64	2m 40s
Test ubuntu:focal (20.04) CLI Intel	31s
Test ubuntu:jammy (22.04) GUI ARM64	1m 34s
Test ubuntu:jammy (22.04) GUI Intel	1m 4s
Test ubuntu:jammy (22.04) CLI ARM64	2m 44s
Test ubuntu:jammy (22.04) CLI Intel	29s
Test ubuntu:noble (24.04) GUI ARM64	1m 39s
Test ubuntu:noble (24.04) GUI Intel	57s
Test ubuntu:noble (24.04) CLI ARM64	1m 8s
Test ubuntu:noble (24.04) CLI Intel	27s
📦 Publish Installers (3.10, debian, DEB, deb, deb, linux, arm64, amd64, chia-blockchain-cli_{0}-... / Publish ARM64 GUI DEB	24s
📦 Publish Installers (3.10, debian, DEB, deb, deb, linux, arm64, amd64, chia-blockchain-cli_{0}-... / Publish Intel GUI DEB	33s
📦 Publish Installers (3.10, debian, DEB, deb, deb, linux, arm64, amd64, chia-blockchain-cli_{0}-... / Publish ARM64 CLI DEB	27s
📦 Publish Installers (3.10, debian, DEB, deb, deb, linux, arm64, amd64, chia-blockchain-cli_{0}-... / Publish Intel CLI DEB	26s
	1h 3m 59s

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