Update dependabot.yml (#7888)

Sync from master

Author: Dreamsorcerer

.github/dependabot.yml

@@ -18,22 +18,22 @@ updates:
       interval: "daily"
     open-pull-requests-limit: 10
 
-  # Maintain dependencies for GitHub Actions aiohttp 3.8
+  # Maintain dependencies for GitHub Actions aiohttp 3.9
   - package-ecosystem: "github-actions"
     directory: "/"
     labels:
       - dependencies
-    target-branch: "3.8"
+    target-branch: "3.9"
     schedule:
       interval: "daily"
     open-pull-requests-limit: 10
 
-  # Maintain dependencies for Python aiohttp 3.8
+  # Maintain dependencies for Python aiohttp 3.10
   - package-ecosystem: "pip"
     directory: "/"
     labels:
       - dependencies
-    target-branch: "3.8"
+    target-branch: "3.10"
     schedule:
       interval: "daily"
     open-pull-requests-limit: 10