Update dependency rollup to v4

Author: renovate[bot]

packages/color-utils/package.json

@@ -40,7 +40,7 @@
     "@rollup/plugin-typescript": "12.3.1",
     "c8": "12.0.0",
     "mocha": "12.0.3",
-    "rollup": "2.80.0",
+    "rollup": "4.67.4",
     "rollup-plugin-commonjs": "10.1.0",
     "rollup-plugin-replace": "2.2.0",
     "should": "13.2.3",

packages/content-api/package.json

@@ -45,7 +45,7 @@
     "core-js": "3.51.0",
     "eslint-plugin-ghost": "4.0.1",
     "mocha": "12.0.3",
-    "rollup": "2.80.0",
+    "rollup": "4.67.4",
     "rollup-plugin-commonjs": "10.1.0",
     "rollup-plugin-polyfill-node": "0.13.0",
     "rollup-plugin-replace": "2.2.0",

packages/helpers/package.json

@@ -43,7 +43,7 @@
     "c8": "12.0.0",
     "istanbul": "0.4.5",
     "mocha": "12.0.3",
-    "rollup": "2.80.0",
+    "rollup": "4.67.4",
     "rollup-plugin-commonjs": "10.1.0",
     "should": "13.2.3",
     "sinon": "22.1.0"

packages/timezone-data/package.json

@@ -44,7 +44,7 @@
     "@rollup/plugin-typescript": "12.3.1",
     "c8": "12.0.0",
     "mocha": "12.0.3",
-    "rollup": "2.80.0",
+    "rollup": "4.67.4",
     "rollup-plugin-commonjs": "10.1.0",
     "should": "13.2.3",
     "sinon": "22.1.0",