Python: Fix wording of change-note

RasmusWL · web-flow · commit afd35f2e218d · 2021-06-08T16:19:25.000+02:00
`aiohttp.web` is a web _framework_, and not a web _server_.
diff --git a/python/change-notes/2021-06-03-aiohttp-webserver-modeling.md b/python/change-notes/2021-06-03-aiohttp-webserver-modeling.md
@@ -1,2 +1,2 @@
 lgtm,codescanning
-* Added modeling of sources/sinks when using `aiohttp.web` to create web servers.
+* Added modeling of sources/sinks when using the `aiohttp.web` web framework.

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,2 @@`
`1`	`1`	`lgtm,codescanning`
`2`		-* Added modeling of sources/sinks when using `aiohttp.web` to create web servers.
	`2`	+* Added modeling of sources/sinks when using the `aiohttp.web` web framework.