refactor: Restore strict `noImplicitOverride` by isolating proto-generated code #11072

Job	Run time
build	52s
node-docker-image / build	1m 52s
lint	1m 26s
proto-rpc / test	19s
dht / test	22s
cdn-location / test	31s
test-utils / test	23s
autocertifier-server / test	24s
dht-browser / test	20s
utils / test	57s
sdk-browser / test	2m 9s
geoip-location / test	49s
trackerless-network / test	2m 4s
sdk-e2e / test	2m 52s
sdk / test	1m 9s
node-e2e / test	3m 23s
node / test	41s
trackerless-network-browser / test	3m 14s
cli-tools / test	2m 57s
sdk-browser-e2e / test	4m 34s
	31m 18s

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