Bump rollup from 2.48.0 to 2.50.6

Bumps [rollup](https://github.com/rollup/rollup) from 2.48.0 to 2.50.6.
- [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/v2.48.0...v2.50.6)

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

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

yarn.lock

@@ -3121,16 +3121,11 @@
   resolved "https://registry.yarnpkg.com/@types/minimist/-/minimist-1.2.0.tgz#69a23a3ad29caf0097f06eda59b361ee2f0639f6"
   integrity sha1-aaI6OtKcrwCX8G7aWbNh7i8GOfY=
 
-"@types/node@*":
+"@types/node@*", "@types/node@>= 8":
   version "15.3.0"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-15.3.0.tgz#d6fed7d6bc6854306da3dea1af9f874b00783e26"
   integrity sha512-8/bnjSZD86ZfpBsDlCIkNXIvm+h6wi9g7IqL+kmFkQ+Wvu3JrasgLElfiPgoo8V8vVfnEi0QVS12gbl94h9YsQ==
 
-"@types/node@>= 8":
-  version "14.0.27"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.0.27.tgz#a151873af5a5e851b51b3b065c9e63390a9e0eb1"
-  integrity sha512-kVrqXhbclHNHGu9ztnAwSncIgJv/FaxmzXJvGXNdcCpV1b8u1/Mi6z6m0vwy0LzKeXFTPLH0NzwmoJ3fNCIq0g==
-
 "@types/normalize-package-data@^2.4.0":
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/@types/normalize-package-data/-/normalize-package-data-2.4.0.tgz#e486d0d97396d79beedd0a6e33f4534ff6b4973e"
@@ -14612,14 +14607,7 @@ rollup@^1.31.1:
     "@types/node" "*"
     acorn "^7.1.0"
 
-rollup@^2.48.0:
-  version "2.48.0"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.48.0.tgz#fceb01ed771f991f29f7bd2ff7838146e55acb74"
-  integrity sha512-wl9ZSSSsi5579oscSDYSzGn092tCS076YB+TQrzsGuSfYyJeep8eEWj0eaRjuC5McuMNmcnR8icBqiE/FWNB1A==
-  optionalDependencies:
-    fsevents "~2.3.1"
-
-rollup@^2.50.6:
+rollup@^2.48.0, rollup@^2.50.6:
   version "2.50.6"
   resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.50.6.tgz#24e2211caf9031081656e98a5e5e94d3b5e786e2"
   integrity sha512-6c5CJPLVgo0iNaZWWliNu1Kl43tjP9LZcp6D/tkf2eLH2a9/WeHxg9vfTFl8QV/2SOyaJX37CEm9XuGM0rviUg==