chore(deps-dev): bump rollup from 2.54.0 to 2.55.1 (serverless-nextjs#1469)

Bumps [rollup](https://github.com/rollup/rollup) from 2.54.0 to 2.55.1.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.54.0...v2.55.1)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

packages/libs/lambda-at-edge/yarn.lock

@@ -2861,9 +2861,9 @@ rollup-pluginutils@^2.8.2:
     estree-walker "^0.6.1"
 
 rollup@^2.46.0:
-  version "2.54.0"
-  resolved "https://registry.npmjs.org/rollup/-/rollup-2.54.0.tgz#99ea816e8e9b1c6af3ab957a4e7a8f78dbd87773"
-  integrity sha512-RHzvstAVwm9A751NxWIbGPFXs3zL4qe/eYg+N7WwGtIXVLy1cK64MiU37+hXeFm1jqipK6DGgMi6Z2hhPuCC3A==
+  version "2.55.1"
+  resolved "https://registry.npmjs.org/rollup/-/rollup-2.55.1.tgz#66a444648e2fb603d8e329e77a61c608a6510fda"
+  integrity sha512-1P9w5fpb6b4qroePh8vHKGIvPNxwoCQhjJpIqfZGHLKpZ0xcU2/XBmFxFbc9697/6bmHpmFTLk5R1dAQhFSo0g==
   optionalDependencies:
     fsevents "~2.3.2"