Bug#1068202: bazel-bootstrap: FTBFS: /usr/include/absl/base/policy_checks.h:79:2: error: #error "C++ versions less than C++14 are not supported."

[Kentaro HAYASHI]

FYI:

I've created MR for it.

https://salsa.debian.org/bazel-team/bazel-bootstrap/-/merge_requests/3