message: quiche: Update tarball to commit
  Update quiche tarball to commit
  Risk Level: none, code not used yet
  Testing:
  bazel test --test_output=all test/extensions/quic_listeners/quiche/platform:all
diff: @@ -240,8 +240,8 @@ REPOSITORY_LOCATIONS = dict(
  urls = ["https://github.com/google/subpar/archive/1.3.0.tar.gz"],
  ),
  com_googlesource_quiche = dict(
  - # Static snapshot of https://quiche.googlesource.com/quiche/+archive/840edb6d672931ff936004fc35a82ecac6060844.tar.gz
  - sha256 = "1aba26cec596e9f3b52d93fe40e1640c854e3a4c8949e362647f67eb8e2382e3",
  - urls = ["https://storage.googleapis.com/quiche-envoy-integration/840edb6d672931ff936004fc35a82ecac6060844.tar.gz"],
  + # Static snapshot of https://quiche.googlesource.com/quiche/+archive/43a1c0f10f2855c3cd142f500e8d19ac6d6f5a8c.tar.gz
  + sha256 = "7ee437b5b0f64290760cef43b93790122c751f24508e93393484ddb80c1f8bfe",
  + urls = ["https://storage.googleapis.com/quiche-envoy-integration/43a1c0f10f2855c3cd142f500e8d19ac6d6f5a8c.tar.gz"],
  ),
  )
  