chore: bump to 0.7.3 — release sqlite3 pile-up fix to Open VSX

v0.7.2 tag was pushed before the fix landed; this ensures Open VSX
serves the safe version with 60s poll interval and overlap guard.

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

Author: Myoontyee

package.json

@@ -2,7 +2,7 @@
   "name": "claude-code-exporter",
   "displayName": "Claude Code Exporter — Claude Code, Codex & Cursor Conversation History",
   "description": "Export AI coding agent conversations to Markdown. Supports Claude Code (→ .claude-code-history/), OpenAI Codex (→ .codex-history/), and Cursor Composer (→ .cursor-history/). Features: auto-watch, session inject/import for claude --resume, and repair of thinking-block signature errors when switching API providers.",
-  "version": "0.7.2",
+  "version": "0.7.3",
   "publisher": "myoontyee",
   "engines": {
     "vscode": "^1.85.0"