Update coverlet to 3.1.0 and reportgenerator to 5.0.2

Author: stephentoub

.config/dotnet-tools.json

@@ -3,13 +3,13 @@
   "isRoot": true,
   "tools": {
     "coverlet.console": {
-      "version": "1.7.2",
+      "version": "3.1.0",
       "commands": [
         "coverlet"
       ]
     },
     "dotnet-reportgenerator-globaltool": {
-      "version": "4.5.8",
+      "version": "5.0.2",
       "commands": [
         "reportgenerator"
       ]

eng/Versions.props

@@ -166,7 +166,7 @@
     <MicrosoftDotNetHotReloadUtilsGeneratorBuildToolVersion>1.0.2-alpha.0.22053.3</MicrosoftDotNetHotReloadUtilsGeneratorBuildToolVersion>
     <XUnitVersion>2.4.2-pre.9</XUnitVersion>
     <XUnitRunnerVisualStudioVersion>2.4.2</XUnitRunnerVisualStudioVersion>
-    <CoverletCollectorVersion>1.3.0</CoverletCollectorVersion>
+    <CoverletCollectorVersion>3.1.0</CoverletCollectorVersion>
     <NewtonsoftJsonVersion>12.0.3</NewtonsoftJsonVersion>
     <SQLitePCLRawbundle_greenVersion>2.0.4</SQLitePCLRawbundle_greenVersion>
     <MoqVersion>4.12.0</MoqVersion>