Add sock source for GPSD socket #2083

Job	Run time
Audit dependencies	22s
Format	5s
Clippy (x86_64-unknown-linux-gnu, false, true)	49s
Build and test (stable, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 41s
Clippy (armv7-unknown-linux-gnueabihf, true, false, -target arm-linux-gnueabihf -mcpu=generic+v7a...	36s
Smoke-test fuzzing targets	3m 49s
Build and test (beta, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 35s
Validate man pages	6s
Clippy (x86_64-unknown-linux-musl, true, false, -target x86_64-linux-musl)	44s
Smoke-test fuzzing targets (--all-features)	3m 47s
Build and test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	1m 16s
Clippy (x86_64-apple-darwin, true, false, -target x86_64-macos-gnu -g)	35s
Build and test (stable, ubuntu-latest, x86_64-unknown-linux-musl)	1m 38s
Check unused dependencies	55s
Validate configs	40s
Build and test (stable, macos-latest, x86_64-apple-darwin)	1m 50s
Build and test (stable, ubuntu-latest, --all-features, x86_64-unknown-linux-gnu)	1m 43s
Build and test (msrv, ubuntu-latest, --all-features, x86_64-unknown-linux-gnu)	1m 18s
Build and test (stable, ubuntu-latest, --all-features, x86_64-unknown-linux-musl)	1m 39s
Build and test (stable, macos-latest, --all-features, x86_64-apple-darwin)	2m 2s
	27m 10s

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