Address review feedback: add error handling to sync_version.py, fix ROADMAP refs in issues.json

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Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

scripts/sync_version.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 """Sync the VERSION file from pyproject.toml after a version bump."""
 import re
+import sys
 from pathlib import Path
 
 root = Path(__file__).resolve().parent.parent
@@ -14,3 +15,6 @@ match = re.search(
 if match:
     version = match.group(1)
     (root / "VERSION").write_text(version + "\n")
+else:
+    print("ERROR: Could not find version in pyproject.toml [project] section", file=sys.stderr)
+    sys.exit(1)