Update GitHub Actions

Author: vbfox

.github/workflows/main.yml

@@ -15,8 +15,8 @@ jobs:
       DOTNET_NOLOGO: 1
       PAKET_SKIP_RESTORE_TARGETS: true
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-dotnet@v4
+    - uses: actions/checkout@v6
+    - uses: actions/setup-dotnet@v5
       with:
         dotnet-version: |
           2
@@ -42,8 +42,8 @@ jobs:
       DOTNET_NOLOGO: 1
       PAKET_SKIP_RESTORE_TARGETS: true
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-dotnet@v4
+    - uses: actions/checkout@v6
+    - uses: actions/setup-dotnet@v5
       with:
         dotnet-version: |
           2