quic: part 2... ngtcp2 and nghttp3

This is the second of three separate PRs that would need to be landed together. They have been split to allow easier reviewing. This PR covers the addition of the ngtcp2 and nghttp3 dependencies to the source tree.

NOTE: This PR merges into the initial-quic-part-1 branch

The other two PRs in this batch are:

• openssl modifications: https://github.com/nodejs/node/pull/32377
• quic implementation: https://github.com/nodejs/node/pull/32379

Checklist

• make -j4 test (UNIX), or vcbuild test (Windows) passes
• commit message follows commit guidelines