Add aiofiles to requirements of matrix and slack integration (home-assistant#157117)

Author: tr4nt0r

homeassistant/components/matrix/manifest.json

@@ -6,5 +6,5 @@
   "iot_class": "cloud_push",
   "loggers": ["matrix_client"],
   "quality_scale": "legacy",
-  "requirements": ["matrix-nio==0.25.2", "Pillow==12.0.0"]
+  "requirements": ["matrix-nio==0.25.2", "Pillow==12.0.0", "aiofiles==24.1.0"]
 }

homeassistant/components/slack/manifest.json

@@ -7,5 +7,5 @@
   "integration_type": "service",
   "iot_class": "cloud_push",
   "loggers": ["slack"],
-  "requirements": ["slack_sdk==3.33.4"]
+  "requirements": ["slack_sdk==3.33.4", "aiofiles==24.1.0"]
 }