refactor: Restore strict `noImplicitOverride` by isolating proto-generated code #11074

Job	Run time
build	53s
node-docker-image / build	1m 15s
lint	1m 36s
proto-rpc / test	54s
test-utils / test	23s
dht-browser / test	3m 56s
cdn-location / test	33s
cli-tools / test	2m 43s
geoip-location / test	55s
sdk-browser-e2e / test	4m 33s
sdk / test	1m 13s
trackerless-network / test	2m 2s
sdk-e2e / test	3m 2s
node / test	34s
trackerless-network-browser / test	3m 40s
dht / test	2m 9s
autocertifier-server / test	26s
node-e2e / test	3m 28s
sdk-browser / test	2m 8s
utils / test	1m 2s
	37m 25s

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