ForwardingMachine + Cert() overhaul #7688

Job	Run time
Build doc	5m 33s
Code health check	1m 7s
Check SPDX identifiers	4s
Type hints check	28s
CodeQL analysis	2m 5s
pyca/cryptography test	25s
ubuntu-latest 3.11 non_root -K scanner	3m 55s
ubuntu-latest 3.9 non_root -K scanner	4m 43s
ubuntu-latest 3.8 non_root -K scanner	4m 20s
macos-14 3.13 both -K scanner	3m 59s
windows-latest 3.13 both -k scanner	3m 25s
ubuntu-latest libpcap 3.13 root -K scanner	6m 7s
ubuntu-latest 3.10 non_root -K scanner	4m 55s
ubuntu-22.04 3.7 non_root -K scanner	4m 9s
ubuntu-latest 3.12 non_root -K scanner	4m 31s
windows-latest 3.13 root -K scanner	6m 1s
ubuntu-latest pypy3.9 root -K scanner	5m 37s
ubuntu-latest 3.13 root -K scanner	5m 12s
macos-14 3.13 both -k scanner	1m 47s
ubuntu-latest 3.13 root -k scanner	5m 22s
	1h 13m 45s

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