SERVER-51380 changed ping such that it no longer accepts extra parameters.

If an SRV URI is used to connect to a deployment other than a sharded cluster
the SRV polling thread spins since it bypasses the poll due to the topology
type being ineligible. This change terminates the thread when the topology
type is discovered to be ineligible.

There is a small typo in src/libbson/src/bson/bcon.c

Should read manipulate rather than manimpulate.

(libbson PR https://github.com/mongodb/libbson/pull/223 requested application here)

Co-authored-by: Dan Bauman <dan@bauman.space>

- only note OCSP behavior exceptions
- note that crl_file is unsupported with LibreSSL

Adds runtime debug assertions.  Enable with configuration flag -DENABLE_DEBUG_ASSERTIONS=ON.

Initializes pool condition variable.  Adds (non-deterministic) test for the case where a thread is waiting in call to `mongoc_client_pool_pop` for a client to become available.