Update dependency @rollup/plugin-babel to v7

Author: renovate[bot]

package.json

@@ -77,7 +77,7 @@
     "@eslint/js": "9.39.2",
     "@livekit/changesets-changelog-github": "^0.0.4",
     "@livekit/throws-transformer": "^0.1.3",
-    "@rollup/plugin-babel": "6.1.0",
+    "@rollup/plugin-babel": "7.0.0",
     "@rollup/plugin-commonjs": "28.0.9",
     "@rollup/plugin-json": "6.1.0",
     "@rollup/plugin-node-resolve": "16.0.3",