Added nightly clean up routine

.gitea/workflows/build_releases.yaml

@@ -31,6 +31,22 @@ jobs:
       - name: 'Execute .NET Publish Target'
         run: dotnet build aeqw89.tools.Publish/aeqw89.tools.Publish.csproj -p:ArchiveVersion=nightly -t:Archive
       
+      # NEW STEP: Nuke the old release so the next step always runs on a clean slate
+      - name: Clean up previous Nightly Release
+        run: |
+          # 1. Ask the Gitea API for the internal ID of the 'nightly' release
+          RELEASE_JSON=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" ${{ github.api_url }}/repos/${{ github.repository }}/releases/tags/nightly)
+          RELEASE_ID=$(echo "$RELEASE_JSON" | grep -o '"id": *[0-9]*' | head -n 1 | awk '{print $2}')
+          
+          # 2. If it found one, tell Gitea to delete the release and all its assets
+          if [ -n "$RELEASE_ID" ]; then
+            echo "Deleting old release ID: $RELEASE_ID"
+            curl -s -X DELETE -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" ${{ github.api_url }}/repos/${{ github.repository }}/releases/$RELEASE_ID
+          fi
+          
+          # 3. Delete the tag from the repository itself
+          git push --delete origin nightly || true
+
       - name: Update Nightly Release
         uses: softprops/action-gh-release@v2
         with: