chore(deps): update actions/checkout action to v7

Author: renovate[bot]

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-dotnet@v5
         with:
           dotnet-version: '10.0.x'

.github/workflows/dotnet.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
     - name: Checkout Source Code
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v5

.github/workflows/publish-to-nuget.yml

@@ -14,7 +14,7 @@ jobs:
       SOLUTION: 'Atypical.VirtualFileSystem.sln'
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup .NET SDK
         uses: actions/setup-dotnet@v5
@@ -43,7 +43,7 @@ jobs:
       BUILD_CONFIG: 'Release'
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup .NET SDK
         uses: actions/setup-dotnet@v5
@@ -58,7 +58,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Get Build Version
         run: |