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/isapi/__init__.py

@@ -0,0 +1,39 @@
+# The Python ISAPI package.
+
+
+# Exceptions thrown by the DLL framework.
+class ISAPIError(Exception):
+    def __init__(self, errno, strerror=None, funcname=None):
+        # named attributes match IOError etc.
+        self.errno = errno
+        self.strerror = strerror
+        self.funcname = funcname
+        Exception.__init__(self, errno, strerror, funcname)
+
+    def __str__(self):
+        if self.strerror is None:
+            try:
+                import win32api
+
+                self.strerror = win32api.FormatMessage(self.errno).strip()
+            except:
+                self.strerror = "no error message is available"
+        # str() looks like a win32api error.
+        return str((self.errno, self.strerror, self.funcname))
+
+
+class FilterError(ISAPIError):
+    pass
+
+
+class ExtensionError(ISAPIError):
+    pass
+
+
+# A little development aid - a filter or extension callback function can
+# raise one of these exceptions, and the handler module will be reloaded.
+# This means you can change your code without restarting IIS.
+# After a reload, your filter/extension will have the GetFilterVersion/
+# GetExtensionVersion function called, but with None as the first arg.
+class InternalReloadException(Exception):
+    pass