graphql: expose MovePackage as BCS (packageBcs) #76970

Job	Run time
diff	12s
license-check	1m 4s
test (ubuntu-ghcloud)	22m 34s
test-extra (ubuntu-ghcloud)	21m 14s
windows-build (windows-ghcloud)	15m 28s
simtest	16m 2s
move-auto-formatter-ci-test	0s
rustfmt	23s
clippy	3m 15s
move-test	0s
test-extra	0s
test	0s
cargo-deny (bans, licenses, sources)	40s
cargo-deny (advisories)	39s
cutting a new execution layer	1m 19s
	1h 22m 50s

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