Update aws-c-io to fix dispatch queue leak (#348)

Author: xiazhvera

.github/workflows/ci.yml

@@ -131,28 +131,28 @@ jobs:
           - macos-15
         xcode:
           - Xcode_15.2
-          - Xcode_16.1
+          - Xcode_16.3
         target:
           [{ os: ios, destination: 'iOS Simulator,OS=17.2,name=iPhone 15'},
-           { os: ios, destination: 'iOS Simulator,OS=18.1,name=iPhone 16'},
+           { os: ios, destination: 'iOS Simulator,OS=18.4,name=iPhone 16'},
            { os: tvos, destination: 'tvOS Simulator,OS=17.2,name=Apple TV 4K (3rd generation) (at 1080p)'},
-           { os: tvos, destination: 'tvOS Simulator,OS=18.1,name=Apple TV 4K (3rd generation) (at 1080p)'}]
+           { os: tvos, destination: 'tvOS Simulator,OS=18.4,name=Apple TV 4K (3rd generation) (at 1080p)'}]
         exclude:
           # Don't run old macOS with new Xcode
           - runner: macos-14
-            xcode: Xcode_16.1
+            xcode: Xcode_16.3
           # Don't run new macOS with old Xcode
           - runner: macos-15
             xcode: Xcode_15.2
           # Don't run old simulators with new Xcode
           - target: { os: tvos, destination: 'tvOS Simulator,OS=17.2,name=Apple TV 4K (3rd generation) (at 1080p)' }
-            xcode: Xcode_16.1
+            xcode: Xcode_16.3
           - target: { os: ios, destination: 'iOS Simulator,OS=17.2,name=iPhone 15' }
-            xcode: Xcode_16.1
+            xcode: Xcode_16.3
           # Don't run new simulators with old Xcode
-          - target: { os: tvos, destination: 'tvOS Simulator,OS=18.1,name=Apple TV 4K (3rd generation) (at 1080p)' }
+          - target: { os: tvos, destination: 'tvOS Simulator,OS=18.4,name=Apple TV 4K (3rd generation) (at 1080p)' }
             xcode: Xcode_15.2
-          - target: { os: ios, destination: 'iOS Simulator,OS=18.1,name=iPhone 16' }
+          - target: { os: ios, destination: 'iOS Simulator,OS=18.4,name=iPhone 16' }
             xcode: Xcode_15.2
     steps:
     - uses: aws-actions/configure-aws-credentials@v4