Run action on ubuntu-latest rather than windows-latest

.github/workflows/dotnet-format.yml

@@ -2,17 +2,17 @@ name: dotnet format
 
 on:
   pull_request:
-    branches: [ dev, master ]
+    branches: [dev, master]
 
 jobs:
   check-format:
-    runs-on: windows-latest
+    runs-on: ubuntu-latest
 
     steps:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: | 
+          dotnet-version: |
             6.0.x
             8.0.x
 
@@ -24,7 +24,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      # TODO: Uncomment this step once formatter has been run globally. 
+      # TODO: Uncomment this step once formatter has been run globally.
       # This is because whitespace rules cannot be warnings or suggestions; they will always be errors
       #- name: Run dotnet format whitespace
       #  run: dotnet format whitespace src/GovUk.Education.ExploreEducationStatistics.sln --verify-no-changes
@@ -37,4 +37,4 @@ jobs:
         ## TODO: Remove "--severity error" once work has been done to resolve build warnings (https://dfedigital.atlassian.net/browse/EES-4594).
         run: dotnet format analyzers src/GovUk.Education.ExploreEducationStatistics.sln --verify-no-changes --severity error
 
-      # TODO: Wrap these three subcommands up into a single `dotnet format` command once all 3 above TODOs are TO-DONE ;) 
+      # TODO: Wrap these three subcommands up into a single `dotnet format` command once all 3 above TODOs are TO-DONE ;)