replaced end_autoref bool with threading event (UBC-Thunderbots#3531)

* replaced end_autoref bool with threading event

* [pre-commit.ci lite] apply automatic fixes

---------

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>

Author: aakaashsenthilkumar

src/software/thunderscope/binary_context_managers/tigers_autoref.py

@@ -66,7 +66,7 @@ def __init__(
         self.auto_ref_proc_thread = None
         self.auto_ref_wrapper_thread = None
         self.ci_mode = ci_mode
-        self.end_autoref = False
+        self.end_autoref = threading.Event()
         self.wrapper_buffer = ThreadSafeBuffer(buffer_size, SSL_WrapperPacket)
         self.referee_buffer = ThreadSafeBuffer(buffer_size, Referee)
         self.gamecontroller = gc
@@ -172,7 +172,7 @@ def _send_to_autoref_and_forward_to_gamecontroller(self) -> None:
             gc_command=Command.Type.STOP, team=SslTeam.UNKNOWN
         )
 
-        while not self.end_autoref:
+        while not self.end_autoref.is_set():
             try:
                 ssl_wrapper = self.wrapper_buffer.get(
                     block=True, timeout=TigersAutoref.BUFFER_TIMEOUT
@@ -259,7 +259,7 @@ def setup_ssl_wrapper_packets(self, autoref_proto_unix_io: ProtoUnixIO) -> None:
         autoref_proto_unix_io.register_observer(Referee, self.referee_buffer)
 
     def __exit__(self, type, value, traceback) -> None:
-        self.end_autoref = True
+        self.end_autoref.set()
         if self.tigers_autoref_proc:
             self.tigers_autoref_proc.terminate()
             self.tigers_autoref_proc.wait()