chore(deps-dev): bump rollup from 1.15.4 to 1.15.5

Bumps [rollup](https://github.com/rollup/rollup) from 1.15.4 to 1.15.5.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v1.15.4...v1.15.5)

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

package.json

@@ -57,7 +57,7 @@
     "nyc": "^14.1.1",
     "prettier": "^1.18.2",
     "rimraf": "^2.6.3",
-    "rollup": "^1.15.4",
+    "rollup": "^1.15.5",
     "rollup-plugin-filesize": "^6.1.0",
     "rollup-plugin-prettier": "^0.6.0"
   },

yarn.lock

@@ -5027,10 +5027,10 @@ rollup-plugin-prettier@^0.6.0:
     magic-string "0.25.1"
     prettier "^1.0.0"
 
-rollup@^1.15.4:
-  version "1.15.4"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.15.4.tgz#3d6d8cbc8f19651d63acdacf874da2f9ed06c8ba"
-  integrity sha512-EjdjLZ6K5z3J7NkboB+aPVBthZt1CexD7u0IIcc7NYGoXAFyV6AbdKrS8elfwGNrYmuBC5ZDOSOzwH9Ad4PQKg==
+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==
   dependencies:
     "@types/estree" "0.0.39"
     "@types/node" "^12.0.8"