Isolate manual artifact validation without package publication

scripts/apply-release-version.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+import json, os
+from pathlib import Path
+import xml.etree.ElementTree as ET
+lock = json.loads(os.environ["SOURCE_LOCK_JSON"])
+path = Path("build/linux-toolchain/release.lock.json")
+path.write_text(json.dumps(lock, indent=2) + "\n")
+project = Path("NuGet/StaticGraphics/StaticLink.Avalonia.csproj")
+root = ET.parse(project)
+root.find(".//Version").text = os.environ["PACKAGE_VERSION"]
+for item in root.findall(".//PackageReference"):
+    if item.attrib.get("Include") == "SkiaSharp":
+        item.set("Version", "[" + lock["skiasharp_version"] + "]")
+root.write(project, encoding="unicode")