Bump websocket-client from 1.2.1 to 1.2.3 (#1587)

* Bump websocket-client from 1.2.1 to 1.2.3

Bumps [websocket-client](https://github.com/websocket-client/websocket-client) from 1.2.1 to 1.2.3.
- [Release notes](https://github.com/websocket-client/websocket-client/releases)
- [Changelog](https://github.com/websocket-client/websocket-client/blob/master/ChangeLog)
- [Commits](https://github.com/websocket-client/websocket-client/compare/v1.2.1...v1.2.3)

---
updated-dependencies:
- dependency-name: websocket-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update websocket-client==1.2.3

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

lib/websocket/_abnf.py

@@ -96,7 +96,7 @@ VALID_CLOSE_STATUS = (
 )
 
 
-class ABNF(object):
+class ABNF:
     """
     ABNF frame class.
     See http://tools.ietf.org/html/rfc5234
@@ -268,7 +268,7 @@ class ABNF(object):
         return _mask(array.array("B", mask_key), array.array("B", data))
 
 
-class frame_buffer(object):
+class frame_buffer:
     _HEADER_MASK_INDEX = 5
     _HEADER_LENGTH_INDEX = 6
 
@@ -373,7 +373,7 @@ class frame_buffer(object):
             self.recv_buffer.append(bytes_)
             shortage -= len(bytes_)
 
-        unified = bytes("", 'utf-8').join(self.recv_buffer)
+        unified = b"".join(self.recv_buffer)
 
         if shortage == 0:
             self.recv_buffer = []
@@ -383,7 +383,7 @@ class frame_buffer(object):
             return unified[:bufsize]
 
 
-class continuous_frame(object):
+class continuous_frame:
 
     def __init__(self, fire_cont_frame, skip_utf8_validation):
         self.fire_cont_frame = fire_cont_frame