Synchronous connection pools without timeout fail in 1.0.1

[ToBeReplaced]

>>> import httpcore, itertools; from concurrent.futures import ThreadPoolExecutor
>>> print(httpcore.__version__)
1.0.1
>>> pool = httpcore.ConnectionPool(max_connections=1)
>>> gets = itertools.repeat("GET", 3)
>>> urls = itertools.repeat("https://github.com/encode/httpcore", 3)
>>> list(ThreadPoolExecutor().map(pool.request, gets, urls))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python3.11/concurrent/futures/_base.py", line 619, in result_iterator
    yield _result_or_cancel(fs.pop())
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/concurrent/futures/_base.py", line 317, in _result_or_cancel
    return fut.result(timeout)
           ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/concurrent/futures/_base.py", line 449, in result
    return self.__get_result()
           ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/concurrent/futures/_base.py", line 401, in __get_result
    raise self._exception
  File "/usr/local/lib/python3.11/concurrent/futures/thread.py", line 58, in run
    result = self.fn(*self.args, **self.kwargs)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/httpcore/_sync/interfaces.py", line 43, in request
    response = self.handle_request(request)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/httpcore/_sync/connection_pool.py", line 248, in handle_request
    raise exc
  File "/usr/local/lib/python3.11/site-packages/httpcore/_sync/connection_pool.py", line 239, in handle_request
    connection = status.wait_for_connection(timeout=timeout)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/httpcore/_sync/connection_pool.py", line 36, in wait_for_connection
    self._connection_acquired.wait(timeout=timeout)
  File "/usr/local/lib/python3.11/site-packages/httpcore/_synchronization.py", line 229, in wait
    if not self._event.wait(timeout=timeout):
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/threading.py", line 629, in wait
    signaled = self._cond.wait(timeout)
               ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/threading.py", line 331, in wait
    gotit = waiter.acquire(True, timeout)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
OverflowError: timestamp out of range for platform time_t

I believe the issue is caused by #823 , specifically f8ff1c4#diff-5713be2b281222b211bec1272100cb70677f728181a11c4ff06e6a10ae3c30d2R230

[ToBeReplaced]

Whoops! Forgot to add... Thank you for maintaining this project. It is my tool of choice for reliable HTTP where having confidence in what is happening is paramount.

[karpetrosyan]

Thank you for informing us about this issue! It will be corrected in the next release.

[karpetrosyan]

Resolved in #846