Update actions/checkout action to v5 (#90)

Author: jjonescz

.github/workflows/main.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Setup Git
       run: |
         git config --global url."https://user:${{ secrets.GITHUB_TOKEN }}@github".insteadOf https://github

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Run release script
         shell: pwsh
         run: ./eng/release.ps1