Update DocLinkChecker to work on .NET 8 (#288)

* Update DocLinkChecker to work on .NET 8

- Prompted by the recent version increase from `windows-2022` to `windows-2025` in the GitHub Actions runner image for `-latest`

* Update DocLinkChecker version in the actions file too

Author: bparks13

.config/dotnet-tools.json

@@ -9,7 +9,7 @@
       ]
     },
     "doclinkchecker": {
-      "version": "1.19.0",
+      "version": "1.37.0",
       "commands": [
         "DocLinkChecker"
       ]

.github/workflows/build.yml

@@ -16,13 +16,8 @@ jobs:
         with:
           submodules: true
 
-      - name: Setup .NET Core SDK
-        uses: actions/setup-dotnet@v4
-        with:
-          dotnet-version: 8.x
-
       - name: Install DocLinkChecker
-        run: dotnet tool install DocLinkChecker --version 1.19.0
+        run: dotnet tool install DocLinkChecker --version 1.37.0
 
       # Check for missing / broken links in the *.md files prior to building the website
       - name: Check Documentation Links