bump switchman (better with_each_shard connection handling)
bump switchman (better with_each_shard connection handling)

fixes CNVS-36090
refs CNVS-36036
refs CNVS-35065

test plan: basic regression test of things that use
Shard.with_each_shard, like plugin setting lookup

Change-Id: I8f321c8a38e5b81e382f2d6b85b79f94ccb0825e
Reviewed-on: https://gerrit.instructure.com/107317
Reviewed-by: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
Tested-by: Jenkins
QA-Review: Jeremy Putnam <b030d6d6f199f844ec424882be473c2ab9adc93b@instructure.com>
Product-Review: Simon Williams <088e16a1019277b15d58faf0541e11910eb756f6@instructure.com>

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