Update to h2.events interface as of 4.3.0

pyproject.toml

@@ -30,7 +30,7 @@ python = ">=3.8"
 aioquic = { version = ">= 0.9.0, < 1.0", optional = true }
 exceptiongroup = { version = ">= 1.1.0", python = "<3.11" }
 h11 = "*"
-h2 = ">=3.1.0"
+h2 = ">=4.3.0"
 priority = "*"
 pydata_sphinx_theme = { version = "*", optional = true }
 sphinxcontrib_mermaid = { version = "*", optional = true }

src/hypercorn/protocol/h2.py

@@ -135,9 +135,10 @@ async def initiate(
             self.connection.initiate_connection()
         await self._flush()
         if headers is not None:
-            event = h2.events.RequestReceived()
-            event.stream_id = 1
-            event.headers = headers
+            event = h2.events.RequestReceived(
+                stream_id=1,
+                headers=headers,
+            )
             await self._create_stream(event)
             await self.streams[event.stream_id].handle(EndBody(stream_id=event.stream_id))
         self.task_group.spawn(self.send_task)
@@ -387,9 +388,10 @@ async def _create_server_push(
             # push on a push promises request.
             pass
         else:
-            event = h2.events.RequestReceived()
-            event.stream_id = push_stream_id
-            event.headers = request_headers
+            event = h2.events.RequestReceived(
+                stream_id=push_stream_id,
+                headers=request_headers,
+            )
             await self._create_stream(event)
             await self.streams[event.stream_id].handle(EndBody(stream_id=event.stream_id))
             self.keep_alive_requests += 1

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = docs,format,mypy,py38,py39,py310,py311,py312,package,pep8
+envlist = docs,format,mypy,py38,py39,py310,py311,py312,py313,py314,package,pep8
 minversion = 3.3
 isolated_build = true