build(deps-dev): bump rollup from 1.15.5 to 1.15.6

Bumps [rollup](https://github.com/rollup/rollup) from 1.15.5 to 1.15.6.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v1.15.5...v1.15.6)

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

Author: dependabot-preview[bot]

yarn.lock

@@ -138,12 +138,7 @@
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.3.tgz#3dca0e3f33b200fc7d1139c0cd96c1268cadfd9d"
 
-"@types/node@*":
-  version "12.0.7"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.0.7.tgz#4f2563bad652b2acb1722d7e7aae2b0ff62d192c"
-  integrity sha512-1YKeT4JitGgE4SOzyB9eMwO0nGVNkNEsm9qlIt1Lqm/tG2QEiSMTD4kS3aO6L+w5SClLVxALmIBESK6Mk5wX0A==
-
-"@types/node@^12.0.8":
+"@types/node@*", "@types/node@^12.0.8":
   version "12.0.8"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.0.8.tgz#551466be11b2adc3f3d47156758f610bd9f6b1d8"
   integrity sha512-b8bbUOTwzIY3V5vDTY1fIJ+ePKDUBqt2hC2woVGotdQQhG/2Sh62HOKHrT7ab+VerXAcPyAiTEipPu/FsreUtg==
@@ -4764,9 +4759,9 @@ rollup-pluginutils@^2.7.0, rollup-pluginutils@^2.8.0:
     estree-walker "^0.6.1"
 
 rollup@^1.15.5:
-  version "1.15.5"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.15.5.tgz#1c1f7ef799d5b297aab6eb49ca7a6ab9c8aae6a0"
-  integrity sha512-Dix1YCY6BlsVK20SjQHBjKqxW2K+lqNr6BlCKxtdZuYqmUWLm8NzKHdrJyiFFjUO2hSI4wiC7apE+jAkDA3fEQ==
+  version "1.15.6"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.15.6.tgz#caf0ed28d2d78e3a59c1398e5a3695fb600a0ef0"
+  integrity sha512-s3Vn3QJQ5YVFfIG4nXoG9VdL1I37IZsft+4ZyeBhxE0df1kCFz9e+4bEAbR4mKH3pvBO9e9xjdxWPhhIp0r9ow==
   dependencies:
     "@types/estree" "0.0.39"
     "@types/node" "^12.0.8"