Replace dotcover.xml with coverage.runsettings for dotnet test

JetBrains dotCover 2026.2 cannot generate a coverage report on .NET 10
(console runner hangs/crashes - DCVR-13230). The shared coverage action now
runs dotnet test with the Microsoft Code Coverage collector, which supports
net10 and emits cobertura for codecov. Replace dotcover.xml with a
coverage.runsettings carrying the module/source exclusions, and drop the
obsolete xml-configuration input from the coverage workflow.

Author: rwmcintosh

.github/workflows/coverage.yml

@@ -28,5 +28,4 @@ jobs:
       - name: Cover and report
         uses: Open-Systems-Pharmacology/Workflows/.github/actions/dotCover@main
         with:
-          xml-configuration: dotcover.xml
           token: ${{ secrets.CODECOV_TOKEN }}

coverage.runsettings

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Code coverage configuration for `dotnet test` (Microsoft Code Coverage collector). -->
+<!-- Replaces the former dotcover.xml; JetBrains dotCover cannot report on net10 (DCVR-13230). -->
+<RunSettings>
+  <DataCollectionRunSettings>
+    <DataCollectors>
+      <DataCollector friendlyName="Code Coverage" uri="datacollector://Microsoft/CodeCoverage/2.0">
+        <Configuration>
+          <Format>cobertura</Format>
+          <CodeCoverage>
+            <ModulePaths>
+              <Exclude>
+                <ModulePath>.*FakeItEasy.*</ModulePath>
+                <ModulePath>.*\.Tests\.dll$</ModulePath>
+              </Exclude>
+            </ModulePaths>
+            <Sources>
+              <Exclude>
+                <Source>.*\.Designer\.cs$</Source>
+                <Source>.*[\\/]MoBi\.UI[\\/]Views[\\/].*</Source>
+              </Exclude>
+            </Sources>
+          </CodeCoverage>
+        </Configuration>
+      </DataCollector>
+    </DataCollectors>
+  </DataCollectionRunSettings>
+</RunSettings>