[lldb][test] Fix type error when calling random.randrange with 'float' arg (#97328)

This test only runs on Windows and fails because we're passing a literal
of the wrong type to random.randrange.

Co-authored-by: kendal <kendal@thebrowser.company>

Author: kendalharland

lldb/packages/Python/lldbsuite/test/tools/lldb-server/lldbgdbserverutils.py

@@ -1042,7 +1042,7 @@ def __init__(self):
     class Pipe(object):
         def __init__(self, prefix):
             while True:
-                self.name = "lldb-" + str(random.randrange(1e10))
+                self.name = "lldb-" + str(random.randrange(10**10))
                 full_name = "\\\\.\\pipe\\" + self.name
                 self._handle = CreateNamedPipe(
                     full_name,