Bump rollup from 2.52.1 to 3.29.5 in /plugins/CustomEntitySyntax

Bumps [rollup](https://github.com/rollup/rollup) from 2.52.1 to 3.29.5.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.52.1...v3.29.5)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

plugins/CustomEntitySyntax/package.json

@@ -12,7 +12,7 @@
     "@rollup/plugin-commonjs": "^19.0.0",
     "@rollup/plugin-node-resolve": "^13.0.0",
     "compare-versions": "^3.6.0",
-    "rollup": "^2.52.1",
+    "rollup": "^3.29.5",
     "rollup-plugin-terser": "^7.0.2",
     "uuid": "^8.3.2",
     "uuid-by-string": "^3.0.5"