build(deps-dev): bump rollup from 2.49.0 to 2.50.1 in /token/js (#1798)

Bumps [rollup](https://github.com/rollup/rollup) from 2.49.0 to 2.50.1.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v2.49.0...v2.50.1)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

token/js/package-lock.json

@@ -8606,9 +8606,9 @@
       }
     },
     "node_modules/rollup": {
-      "version": "2.49.0",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.49.0.tgz",
-      "integrity": "sha512-UnrCjMXICx9q0jF8L7OYs7LPk95dW0U5UYp/VANnWqfuhyr66FWi/YVlI34Oy8Tp4ZGLcaUDt4APJm80b9oPWQ==",
+      "version": "2.50.1",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.50.1.tgz",
+      "integrity": "sha512-3MQhSdGpms4xjYrtR3WNHMT+VrWWM4oqUxUC770MmLo1FWFR2pr/OL81HSPC/ifmiu0uMFk0qPGLmjkSMRIESw==",
       "dev": true,
       "bin": {
         "rollup": "dist/bin/rollup"
@@ -17531,9 +17531,9 @@
       }
     },
     "rollup": {
-      "version": "2.49.0",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.49.0.tgz",
-      "integrity": "sha512-UnrCjMXICx9q0jF8L7OYs7LPk95dW0U5UYp/VANnWqfuhyr66FWi/YVlI34Oy8Tp4ZGLcaUDt4APJm80b9oPWQ==",
+      "version": "2.50.1",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.50.1.tgz",
+      "integrity": "sha512-3MQhSdGpms4xjYrtR3WNHMT+VrWWM4oqUxUC770MmLo1FWFR2pr/OL81HSPC/ifmiu0uMFk0qPGLmjkSMRIESw==",
       "dev": true,
       "requires": {
         "fsevents": "~2.3.1"