Bump cherrypy from 18.8.0 to 18.9.0 (#2266)

* Bump cherrypy from 18.8.0 to 18.9.0

Bumps [cherrypy](https://github.com/cherrypy/cherrypy) from 18.8.0 to 18.9.0.
- [Changelog](https://github.com/cherrypy/cherrypy/blob/main/CHANGES.rst)
- [Commits](https://github.com/cherrypy/cherrypy/compare/v18.8.0...v18.9.0)

---
updated-dependencies:
- dependency-name: cherrypy
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* Update cherrypy==18.9.0

---------

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

[skip ci]

lib/tempora/timing.py

@@ -1,22 +1,21 @@
+import collections.abc
+import contextlib
 import datetime
 import functools
 import numbers
 import time
-import collections.abc
-import contextlib
 
 import jaraco.functools
 
 
 class Stopwatch:
     """
-    A simple stopwatch which starts automatically.
+    A simple stopwatch that starts automatically.
 
     >>> w = Stopwatch()
     >>> _1_sec = datetime.timedelta(seconds=1)
     >>> w.split() < _1_sec
     True
-    >>> import time
     >>> time.sleep(1.0)
     >>> w.split() >= _1_sec
     True
@@ -27,13 +26,13 @@ class Stopwatch:
     >>> w.split() < _1_sec
     True
 
-    It should be possible to launch the Stopwatch in a context:
+    Launch the Stopwatch in a context:
 
     >>> with Stopwatch() as watch:
     ...     assert isinstance(watch.split(), datetime.timedelta)
 
-    In that case, the watch is stopped when the context is exited,
-    so to read the elapsed time:
+    After exiting the context, the watch is stopped; read the
+    elapsed time directly:
 
     >>> watch.elapsed
     datetime.timedelta(...)