Bump actions/checkout from 5 to 6 (#78)

Author: dependabot[bot]

.github/workflows/maui.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: windows-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup .NET v9.0
         uses: actions/setup-dotnet@v5
@@ -39,7 +39,7 @@ jobs:
     runs-on: macos-15
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup .NET v9.0
         uses: actions/setup-dotnet@v5
@@ -67,7 +67,7 @@ jobs:
     runs-on: macos-15
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup .NET v9.0
         uses: actions/setup-dotnet@v5
@@ -95,7 +95,7 @@ jobs:
     runs-on: windows-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-java@v5
         with: