Merge pull request #8775 from TechEmpower/dependabot/pip/frameworks/Python/heaven/orjson-3.9.15

Bump orjson from 3.9.10 to 3.9.15 in /frameworks/Python/heaven

frameworks/Python/heaven/requirements.txt

@@ -1,4 +1,4 @@
 asyncpg==0.29.0
 heaven==0.2.4
-orjson==3.9.10
+orjson==3.9.15
 gunicorn==20.1.0