Bump to v0.3.0 — auth dependency migrated to qso-graph-auth

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: KI7MT

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "qrz-mcp"
-version = "0.2.2"
+version = "0.3.0"
 description = "MCP server for QRZ.com — callsign lookup, DXCC resolution, logbook queries"
 readme = "README.md"
 license = {text = "GPL-3.0-or-later"}