(#281) Bump Cake.Recipe to 3.1.1

This will get us Cake 1.3.0 in the pipeline and also a newer version
of Cake.Git - which in turn, should work in the current GH-Action images

.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "cake.tool": {
-      "version": "0.38.5",
+      "version": "1.3.0",
       "commands": [
         "dotnet-cake"
       ]

setup.cake

@@ -1,4 +1,4 @@
-#load nuget:?package=Cake.Recipe&version=2.2.1
+#load nuget:?package=Cake.Recipe&version=3.1.1
 #tool nuget:?package=NuGet.CommandLine&version=5.7.0 // Workaround necessary due to incompatibility with GHA nuget
 
 Environment.SetVariableNames();
@@ -24,12 +24,6 @@ BuildParameters.PrintParameters(Context);
 
 ToolSettings.SetToolSettings(
                             context: Context,
-                            dupFinderExcludePattern: new string[] {
-                                BuildParameters.RootDirectoryPath + "/Source/Cake.Codecov.Tests/*.cs"
-                            },
-                            dupFinderExcludeFilesByStartingCommentSubstring: new string[] {
-                                "<auto-generated>"
-                            },
                             testCoverageFilter: "+[Cake.Codecov]*");
 
 // Tasks we want to override