Add workflow to upload codacy report

.github/workflows/codacy.yml

@@ -0,0 +1,29 @@
+name: Codacy Coverage Reporter
+
+on:
+  workflow_run:
+    workflows:
+      - Build and Test
+    types:
+      - completed
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  report-coverage:
+    if: github.repository == 'btcpay-monero/monero-csharp' && github.event.workflow_run.conclusion == 'success'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download coverage report
+        uses: actions/download-artifact@v5
+        with:
+          name: coverage-report
+          github-token: ${{ secrets.API_GITHUB }}
+          run-id: ${{ github.event.workflow_run.id }}
+      - name: Run codacy-coverage-reporter
+        uses: codacy/codacy-coverage-reporter-action@v1
+        with:
+          project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}
+          coverage-reports: dotcover.xml

.github/workflows/dotnet.yml

@@ -1,4 +1,4 @@
-name: Build and test
+name: Build and Test
 
 on:
   push: