Flaky test in smithy4s.TimestampSpec

[daddykotex]

Original failure: https://github.com/disneystreaming/smithy4s/actions/runs/3971422469/jobs/6808297556

==> X smithy4s.TimestampSpec.Parse EPOCH_SECONDS format with invalid input 0.07s munit.FailException: /home/runner/work/smithy4s/smithy4s/modules/core/test/src-js/smithy4s/TimestampSpec.scala:117 assertion failed
116:      parsed match {
117:        case Some(_) => expect(EpochFormat.pattern.matcher(str).matches)
118:        case None    => expect(!EpochFormat.pattern.matcher(str).matches)

Failing seed: KG4UsJ1-XfLmd3o0aZvwe7p5BakKl5YJg10priNvq9F=
You can reproduce this failure by adding the following override to your suite:

  override val scalaCheckInitialSeed = "KG4UsJ1-XfLmd3o0aZvwe7p5BakKl5YJg10priNvq9F="

Falsified after 19 passed tests.
> ARG_0: "0\u0000"
> ARG_0_ORIGINAL: "0邑"