Fix: Remove noexcept clause from _log_callback

Cython warns that `noexcept` is ignored for functions returning Python
objects.  This patch removes the one instance where we have a
`noexcept` on a Cython function that returns a Python object.

Signed-off-by: Patrick M. Niedzielski <[email protected]>

Author: pniedzielski

src/blazingmq/_ext.pyx

@@ -58,7 +58,7 @@ cdef _log_callback(const char *name,
                    int level,
                    const char *filename,
                    int line,
-                   const char *msg) noexcept:
+                   const char *msg):
     if LOGGER.isEnabledFor(level):
         rec = LOGGER.makeRecord(name, level, filename, line, msg, (), None)
         LOGGER.handle(rec)