chore(shard.lock): bump pg-orm #1503

Job	Run time
test / crystal: latest, MT: ☐, canary: ☐	10m 28s
test / TODOs → GitHub Issues	24s
crystal-style / crystal-style	1m 39s
dockerfile-style / dockerfile-style	10s
test / 🚧 crystal: unstable, MT: ☐, canary: ☐	15m 19s
	28m 0s

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