Update actions/checkout action to v5 (#132)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build-and-test.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4

.github/workflows/publish-package.yml

@@ -12,7 +12,7 @@ jobs:
   publish-package:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setting up build version
         run: |