Set GH actions target .NET SDK to 9.0.204

Author: lahma

.github/workflows/build.yml

@@ -44,7 +44,7 @@ jobs:
         with:
           dotnet-version: |
             8.0
-            9.0
+            9.0.204
       - uses: actions/checkout@v4
       - name: 'Run: Compile, Test, Pack, Publish'
         run: ./build.cmd Compile Test Pack Publish
@@ -81,7 +81,7 @@ jobs:
         with:
           dotnet-version: |
             8.0
-            9.0
+            9.0.204
       - uses: actions/checkout@v4
       - name: 'Run: Compile, Test, Pack, Publish'
         run: ./build.cmd Compile Test Pack Publish
@@ -98,7 +98,7 @@ jobs:
         with:
           dotnet-version: |
             8.0
-            9.0
+            9.0.204
       - uses: actions/checkout@v4
       - name: 'Run: Compile, Test, Pack, Publish'
         run: ./build.cmd Compile Test Pack Publish

.github/workflows/pr.yml

@@ -46,7 +46,7 @@ jobs:
         with:
           dotnet-version: |
             8.0
-            9.0
+            9.0.204
       - uses: actions/checkout@v4
       - name: 'Run: Compile, Test, Pack'
         run: ./build.cmd Compile Test Pack
@@ -78,7 +78,7 @@ jobs:
         with:
           dotnet-version: |
             8.0
-            9.0
+            9.0.204
       - uses: actions/checkout@v4
       - name: 'Run: Compile, Test, Pack'
         run: ./build.cmd Compile Test Pack
@@ -90,7 +90,7 @@ jobs:
         with:
           dotnet-version: |
             8.0
-            9.0
+            9.0.204
       - uses: actions/checkout@v4
       - name: 'Run: Compile, Test, Pack'
         run: ./build.cmd Compile Test Pack

build/Build.CI.GitHubActions.cs

@@ -46,7 +46,7 @@ protected override GitHubActionsJob GetJobs(GitHubActionsImage image, IReadOnlyC
 
         var newSteps = new List<GitHubActionsStep>(job.Steps);
 
-        newSteps.Insert(0, new GitHubActionsSetupDotNetStep(["8.0", "9.0"]));
+        newSteps.Insert(0, new GitHubActionsSetupDotNetStep(["8.0", "9.0.204"]));
 
         var onWindows = image.ToString().StartsWith("windows", StringComparison.OrdinalIgnoreCase);
         if (onWindows)