v0.80.0 - easy access query params and deprecate old websockets

What's Changed

• fix: update next-mdx-remote to v6.0.0 to address CVE-2026-0969 by @sansyrox in #1312
• fix: one final json handling bug by @sansyrox in #1313
• chore: update critical dependencies by @sansyrox in #1310
• chore: update README with an updated list of features by @sansyrox in #1316
• feat: add JsonBody param for parsed JSON in callbacks and OpenAPI docs (#1095) by @sansyrox in #1311
• feat(websocket): make max payload configurable via env/robyn.env and document usage by @sansyrox in #1318
• feat: deprecate old websockets by @sansyrox in #1320
• feat: add easy access query/path params with type coercion for HTTP and WebSocket handlers by @sansyrox in #1309

Full Changelog: v0.78.0...v0.80.0