message: cel: update runtime
diff: @@ -283,10 +283,10 @@ REPOSITORY_LOCATIONS = dict(
  urls = ["https://storage.googleapis.com/quiche-envoy-integration/9711a9e74b43c7390ef7bb66c75561ff796900bf.tar.gz"],
  ),
  com_google_cel_cpp = dict(
  - sha256 = "6b056207f6a069ee6e28f31010262585cf6090e6c889cb98da29715cf544ac7d",
  - strip_prefix = "cel-cpp-750fd9a3cbf4470ee46c8deef0a4701b4cc8b1ce",
  - # 2019-11-12
  - urls = ["https://github.com/google/cel-cpp/archive/750fd9a3cbf4470ee46c8deef0a4701b4cc8b1ce.tar.gz"],
  + sha256 = "b4eaf871d4910c599bb70eaef2eec852747989f15f26885353b7c5188a940ca8",
  + strip_prefix = "cel-cpp-4767e5de36c5701fa8ea46d7de3765161ef98353",
  + # 2019-11-28
  + urls = ["https://github.com/google/cel-cpp/archive/4767e5de36c5701fa8ea46d7de3765161ef98353.tar.gz"],
  ),
  com_googlesource_code_re2 = dict(
  sha256 = "b0382aa7369f373a0148218f2df5a6afd6bfa884ce4da2dfb576b979989e615e",
  